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Finding the Fourth Proportional to 288,087.71, 432,115.22 and 88,407.59

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Solution

The fourth proportional to 288,087.71, 432,115.22 and 88,407.59 is: 132,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,087.71 : 432,115.22 = 88,407.59 : x
  2. Step 2: Convert to fraction form
    288,087.71/432,115.22 = 88,407.59/x
  3. Step 3: Cross multiply
    288,087.71x = 432,115.22 × 88,407.59
  4. Step 4: Simplify right side
    288,087.71x = 38,202,263,262.96
  5. Step 5: Solve for x
    x = 38,202,263,262.96/288,087.71
  6. Step 6: Final answer
    x = 132,606.36

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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.