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Finding the Fourth Proportional to 240,308.01, 360,512.87 and 90,545.09

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Solution

The fourth proportional to 240,308.01, 360,512.87 and 90,545.09 is: 135,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,308.01 : 360,512.87 = 90,545.09 : x
  2. Step 2: Convert to fraction form
    240,308.01/360,512.87 = 90,545.09/x
  3. Step 3: Cross multiply
    240,308.01x = 360,512.87 × 90,545.09
  4. Step 4: Simplify right side
    240,308.01x = 32,642,668,005.02
  5. Step 5: Solve for x
    x = 32,642,668,005.02/240,308.01
  6. Step 6: Final answer
    x = 135,836.79

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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.