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Finding the Fourth Proportional to 318,959.32, 478,482.72 and 94,337.42

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Solution

The fourth proportional to 318,959.32, 478,482.72 and 94,337.42 is: 141,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,959.32 : 478,482.72 = 94,337.42 : x
  2. Step 2: Convert to fraction form
    318,959.32/478,482.72 = 94,337.42/x
  3. Step 3: Cross multiply
    318,959.32x = 478,482.72 × 94,337.42
  4. Step 4: Simplify right side
    318,959.32x = 45,138,825,319.38
  5. Step 5: Solve for x
    x = 45,138,825,319.38/318,959.32
  6. Step 6: Final answer
    x = 141,519.07

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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.