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Finding the Fourth Proportional to 284,527.22, 392,663.31 and 157,200.08

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Solution

The fourth proportional to 284,527.22, 392,663.31 and 157,200.08 is: 216,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,527.22 : 392,663.31 = 157,200.08 : x
  2. Step 2: Convert to fraction form
    284,527.22/392,663.31 = 157,200.08/x
  3. Step 3: Cross multiply
    284,527.22x = 392,663.31 × 157,200.08
  4. Step 4: Simplify right side
    284,527.22x = 61,726,703,745.06
  5. Step 5: Solve for x
    x = 61,726,703,745.06/284,527.22
  6. Step 6: Final answer
    x = 216,944.81

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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.