Home / 284,266.91-392,288.60-156,942.52

Finding the Fourth Proportional to 284,266.91, 392,288.60 and 156,942.52

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Solution

The fourth proportional to 284,266.91, 392,288.60 and 156,942.52 is: 216,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,266.91 : 392,288.60 = 156,942.52 : x
  2. Step 2: Convert to fraction form
    284,266.91/392,288.60 = 156,942.52/x
  3. Step 3: Cross multiply
    284,266.91x = 392,288.60 × 156,942.52
  4. Step 4: Simplify right side
    284,266.91x = 61,566,760,862.91
  5. Step 5: Solve for x
    x = 61,566,760,862.91/284,266.91
  6. Step 6: Final answer
    x = 216,580.82

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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.