Home / 284,266.52-392,288.38-156,942.36

Finding the Fourth Proportional to 284,266.52, 392,288.38 and 156,942.36

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Solution

The fourth proportional to 284,266.52, 392,288.38 and 156,942.36 is: 216,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,266.52 : 392,288.38 = 156,942.36 : x
  2. Step 2: Convert to fraction form
    284,266.52/392,288.38 = 156,942.36/x
  3. Step 3: Cross multiply
    284,266.52x = 392,288.38 × 156,942.36
  4. Step 4: Simplify right side
    284,266.52x = 61,566,664,157.78
  5. Step 5: Solve for x
    x = 61,566,664,157.78/284,266.52
  6. Step 6: Final answer
    x = 216,580.78

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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.