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Finding the Fourth Proportional to 544,790.84, 817,186.26 and 170,843

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Solution

The fourth proportional to 544,790.84, 817,186.26 and 170,843 is: 256,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,790.84 : 817,186.26 = 170,843 : x
  2. Step 2: Convert to fraction form
    544,790.84/817,186.26 = 170,843/x
  3. Step 3: Cross multiply
    544,790.84x = 817,186.26 × 170,843
  4. Step 4: Simplify right side
    544,790.84x = 139,610,552,217.18
  5. Step 5: Solve for x
    x = 139,610,552,217.18/544,790.84
  6. Step 6: Final answer
    x = 256,264.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.