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Finding the Fourth Proportional to 490,961.84, 736,210.08 and 171,002.12

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Solution

The fourth proportional to 490,961.84, 736,210.08 and 171,002.12 is: 256,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,961.84 : 736,210.08 = 171,002.12 : x
  2. Step 2: Convert to fraction form
    490,961.84/736,210.08 = 171,002.12/x
  3. Step 3: Cross multiply
    490,961.84x = 736,210.08 × 171,002.12
  4. Step 4: Simplify right side
    490,961.84x = 125,893,480,764.32
  5. Step 5: Solve for x
    x = 125,893,480,764.32/490,961.84
  6. Step 6: Final answer
    x = 256,422.13

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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.