Home / 379,500.10-523,951.68-236,470.30

Finding the Fourth Proportional to 379,500.10, 523,951.68 and 236,470.30

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Solution

The fourth proportional to 379,500.10, 523,951.68 and 236,470.30 is: 326,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,500.10 : 523,951.68 = 236,470.30 : x
  2. Step 2: Convert to fraction form
    379,500.10/523,951.68 = 236,470.30/x
  3. Step 3: Cross multiply
    379,500.10x = 523,951.68 × 236,470.30
  4. Step 4: Simplify right side
    379,500.10x = 123,899,010,955.10
  5. Step 5: Solve for x
    x = 123,899,010,955.10/379,500.10
  6. Step 6: Final answer
    x = 326,479.52

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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.