Home / 284,186.80-392,181.04-156,862.50

Finding the Fourth Proportional to 284,186.80, 392,181.04 and 156,862.50

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Solution

The fourth proportional to 284,186.80, 392,181.04 and 156,862.50 is: 216,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,186.80 : 392,181.04 = 156,862.50 : x
  2. Step 2: Convert to fraction form
    284,186.80/392,181.04 = 156,862.50/x
  3. Step 3: Cross multiply
    284,186.80x = 392,181.04 × 156,862.50
  4. Step 4: Simplify right side
    284,186.80x = 61,518,498,387
  5. Step 5: Solve for x
    x = 61,518,498,387/284,186.80
  6. Step 6: Final answer
    x = 216,472.05

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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.