Home / 288,569.10-432,901.08-88,889.52

Finding the Fourth Proportional to 288,569.10, 432,901.08 and 88,889.52

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Solution

The fourth proportional to 288,569.10, 432,901.08 and 88,889.52 is: 133,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,569.10 : 432,901.08 = 88,889.52 : x
  2. Step 2: Convert to fraction form
    288,569.10/432,901.08 = 88,889.52/x
  3. Step 3: Cross multiply
    288,569.10x = 432,901.08 × 88,889.52
  4. Step 4: Simplify right side
    288,569.10x = 38,480,369,208.68
  5. Step 5: Solve for x
    x = 38,480,369,208.68/288,569.10
  6. Step 6: Final answer
    x = 133,348.89

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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.