Home / 284,898.02-427,157.20-156,874.61

Finding the Fourth Proportional to 284,898.02, 427,157.20 and 156,874.61

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Solution

The fourth proportional to 284,898.02, 427,157.20 and 156,874.61 is: 235,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,898.02 : 427,157.20 = 156,874.61 : x
  2. Step 2: Convert to fraction form
    284,898.02/427,157.20 = 156,874.61/x
  3. Step 3: Cross multiply
    284,898.02x = 427,157.20 × 156,874.61
  4. Step 4: Simplify right side
    284,898.02x = 67,010,119,158.69
  5. Step 5: Solve for x
    x = 67,010,119,158.69/284,898.02
  6. Step 6: Final answer
    x = 235,207.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.