Home / 284,423.75-426,697.22-84,760.22

Finding the Fourth Proportional to 284,423.75, 426,697.22 and 84,760.22

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Solution

The fourth proportional to 284,423.75, 426,697.22 and 84,760.22 is: 127,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,423.75 : 426,697.22 = 84,760.22 : x
  2. Step 2: Convert to fraction form
    284,423.75/426,697.22 = 84,760.22/x
  3. Step 3: Cross multiply
    284,423.75x = 426,697.22 × 84,760.22
  4. Step 4: Simplify right side
    284,423.75x = 36,166,951,042.46
  5. Step 5: Solve for x
    x = 36,166,951,042.46/284,423.75
  6. Step 6: Final answer
    x = 127,158.69

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1.5x scale

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.