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Finding the Fourth Proportional to 472,700.75, 652,400.03 and 279,129.17

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Solution

The fourth proportional to 472,700.75, 652,400.03 and 279,129.17 is: 385,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,700.75 : 652,400.03 = 279,129.17 : x
  2. Step 2: Convert to fraction form
    472,700.75/652,400.03 = 279,129.17/x
  3. Step 3: Cross multiply
    472,700.75x = 652,400.03 × 279,129.17
  4. Step 4: Simplify right side
    472,700.75x = 182,103,881,210.70
  5. Step 5: Solve for x
    x = 182,103,881,210.70/472,700.75
  6. Step 6: Final answer
    x = 385,241.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.