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Finding the Fourth Proportional to 250,473.84, 375,768.36 and 81,999.60

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Solution

The fourth proportional to 250,473.84, 375,768.36 and 81,999.60 is: 123,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,473.84 : 375,768.36 = 81,999.60 : x
  2. Step 2: Convert to fraction form
    250,473.84/375,768.36 = 81,999.60/x
  3. Step 3: Cross multiply
    250,473.84x = 375,768.36 × 81,999.60
  4. Step 4: Simplify right side
    250,473.84x = 30,812,855,212.66
  5. Step 5: Solve for x
    x = 30,812,855,212.66/250,473.84
  6. Step 6: Final answer
    x = 123,018.26

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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.