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Finding the Fourth Proportional to 240,308.64, 360,487.61 and 90,674.84

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Solution

The fourth proportional to 240,308.64, 360,487.61 and 90,674.84 is: 136,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,308.64 : 360,487.61 = 90,674.84 : x
  2. Step 2: Convert to fraction form
    240,308.64/360,487.61 = 90,674.84/x
  3. Step 3: Cross multiply
    240,308.64x = 360,487.61 × 90,674.84
  4. Step 4: Simplify right side
    240,308.64x = 32,687,156,358.73
  5. Step 5: Solve for x
    x = 32,687,156,358.73/240,308.64
  6. Step 6: Final answer
    x = 136,021.56

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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.