Home / 284,157.22-392,135.02-156,832.83

Finding the Fourth Proportional to 284,157.22, 392,135.02 and 156,832.83

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Solution

The fourth proportional to 284,157.22, 392,135.02 and 156,832.83 is: 216,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,157.22 : 392,135.02 = 156,832.83 : x
  2. Step 2: Convert to fraction form
    284,157.22/392,135.02 = 156,832.83/x
  3. Step 3: Cross multiply
    284,157.22x = 392,135.02 × 156,832.83
  4. Step 4: Simplify right side
    284,157.22x = 61,499,644,928.71
  5. Step 5: Solve for x
    x = 61,499,644,928.71/284,157.22
  6. Step 6: Final answer
    x = 216,428.23

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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.