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Finding the Fourth Proportional to 556,850.16, 835,126.20 and 157,397.04

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Solution

The fourth proportional to 556,850.16, 835,126.20 and 157,397.04 is: 236,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,850.16 : 835,126.20 = 157,397.04 : x
  2. Step 2: Convert to fraction form
    556,850.16/835,126.20 = 157,397.04/x
  3. Step 3: Cross multiply
    556,850.16x = 835,126.20 × 157,397.04
  4. Step 4: Simplify right side
    556,850.16x = 131,446,391,906.45
  5. Step 5: Solve for x
    x = 131,446,391,906.45/556,850.16
  6. Step 6: Final answer
    x = 236,053.43

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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.