Home / 288,581.19-432,919.17-88,897.20

Finding the Fourth Proportional to 288,581.19, 432,919.17 and 88,897.20

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Solution

The fourth proportional to 288,581.19, 432,919.17 and 88,897.20 is: 133,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,581.19 : 432,919.17 = 88,897.20 : x
  2. Step 2: Convert to fraction form
    288,581.19/432,919.17 = 88,897.20/x
  3. Step 3: Cross multiply
    288,581.19x = 432,919.17 × 88,897.20
  4. Step 4: Simplify right side
    288,581.19x = 38,485,302,039.32
  5. Step 5: Solve for x
    x = 38,485,302,039.32/288,581.19
  6. Step 6: Final answer
    x = 133,360.40

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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.