Home / 284,174.02-392,158.26-156,849.62

Finding the Fourth Proportional to 284,174.02, 392,158.26 and 156,849.62

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Solution

The fourth proportional to 284,174.02, 392,158.26 and 156,849.62 is: 216,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,174.02 : 392,158.26 = 156,849.62 : x
  2. Step 2: Convert to fraction form
    284,174.02/392,158.26 = 156,849.62/x
  3. Step 3: Cross multiply
    284,174.02x = 392,158.26 × 156,849.62
  4. Step 4: Simplify right side
    284,174.02x = 61,509,872,100.07
  5. Step 5: Solve for x
    x = 61,509,872,100.07/284,174.02
  6. Step 6: Final answer
    x = 216,451.43

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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.