Home / 284,265.02-392,286.31-156,940.86

Finding the Fourth Proportional to 284,265.02, 392,286.31 and 156,940.86

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Solution

The fourth proportional to 284,265.02, 392,286.31 and 156,940.86 is: 216,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,265.02 : 392,286.31 = 156,940.86 : x
  2. Step 2: Convert to fraction form
    284,265.02/392,286.31 = 156,940.86/x
  3. Step 3: Cross multiply
    284,265.02x = 392,286.31 × 156,940.86
  4. Step 4: Simplify right side
    284,265.02x = 61,565,750,857.63
  5. Step 5: Solve for x
    x = 61,565,750,857.63/284,265.02
  6. Step 6: Final answer
    x = 216,578.71

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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.