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Finding the Fourth Proportional to 370,302.60, 555,453.90 and 341,434.20

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Solution

The fourth proportional to 370,302.60, 555,453.90 and 341,434.20 is: 512,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,302.60 : 555,453.90 = 341,434.20 : x
  2. Step 2: Convert to fraction form
    370,302.60/555,453.90 = 341,434.20/x
  3. Step 3: Cross multiply
    370,302.60x = 555,453.90 × 341,434.20
  4. Step 4: Simplify right side
    370,302.60x = 189,650,957,983.38
  5. Step 5: Solve for x
    x = 189,650,957,983.38/370,302.60
  6. Step 6: Final answer
    x = 512,151.30

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Similar ratio
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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.