Home / 284,211.43-392,214.51-156,884.29

Finding the Fourth Proportional to 284,211.43, 392,214.51 and 156,884.29

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Solution

The fourth proportional to 284,211.43, 392,214.51 and 156,884.29 is: 216,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,211.43 : 392,214.51 = 156,884.29 : x
  2. Step 2: Convert to fraction form
    284,211.43/392,214.51 = 156,884.29/x
  3. Step 3: Cross multiply
    284,211.43x = 392,214.51 × 156,884.29
  4. Step 4: Simplify right side
    284,211.43x = 61,532,294,929.05
  5. Step 5: Solve for x
    x = 61,532,294,929.05/284,211.43
  6. Step 6: Final answer
    x = 216,501.83

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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.