Home / 475,245.12-655,818.24-284,145.60

Finding the Fourth Proportional to 475,245.12, 655,818.24 and 284,145.60

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Solution

The fourth proportional to 475,245.12, 655,818.24 and 284,145.60 is: 392,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,245.12 : 655,818.24 = 284,145.60 : x
  2. Step 2: Convert to fraction form
    475,245.12/655,818.24 = 284,145.60/x
  3. Step 3: Cross multiply
    475,245.12x = 655,818.24 × 284,145.60
  4. Step 4: Simplify right side
    475,245.12x = 186,347,867,295.74
  5. Step 5: Solve for x
    x = 186,347,867,295.74/475,245.12
  6. Step 6: Final answer
    x = 392,108.95

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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.