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Finding the Fourth Proportional to 366,955.27, 506,402.43 and 203,614.72

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Solution

The fourth proportional to 366,955.27, 506,402.43 and 203,614.72 is: 280,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,955.27 : 506,402.43 = 203,614.72 : x
  2. Step 2: Convert to fraction form
    366,955.27/506,402.43 = 203,614.72/x
  3. Step 3: Cross multiply
    366,955.27x = 506,402.43 × 203,614.72
  4. Step 4: Simplify right side
    366,955.27x = 103,110,988,991.77
  5. Step 5: Solve for x
    x = 103,110,988,991.77/366,955.27
  6. Step 6: Final answer
    x = 280,990.62

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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.