Home / 288,617.06-432,989.50-99,073.18

Finding the Fourth Proportional to 288,617.06, 432,989.50 and 99,073.18

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Solution

The fourth proportional to 288,617.06, 432,989.50 and 99,073.18 is: 148,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,617.06 : 432,989.50 = 99,073.18 : x
  2. Step 2: Convert to fraction form
    288,617.06/432,989.50 = 99,073.18/x
  3. Step 3: Cross multiply
    288,617.06x = 432,989.50 × 99,073.18
  4. Step 4: Simplify right side
    288,617.06x = 42,897,646,671.61
  5. Step 5: Solve for x
    x = 42,897,646,671.61/288,617.06
  6. Step 6: Final answer
    x = 148,631.71

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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.