Home / 284,229.74-392,234.63-156,902.60

Finding the Fourth Proportional to 284,229.74, 392,234.63 and 156,902.60

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Solution

The fourth proportional to 284,229.74, 392,234.63 and 156,902.60 is: 216,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,229.74 : 392,234.63 = 156,902.60 : x
  2. Step 2: Convert to fraction form
    284,229.74/392,234.63 = 156,902.60/x
  3. Step 3: Cross multiply
    284,229.74x = 392,234.63 × 156,902.60
  4. Step 4: Simplify right side
    284,229.74x = 61,542,630,903.61
  5. Step 5: Solve for x
    x = 61,542,630,903.61/284,229.74
  6. Step 6: Final answer
    x = 216,524.25

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1.5x scale

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.