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Finding the Fourth Proportional to 288,617.44, 432,982.86 and 88,903.84

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Solution

The fourth proportional to 288,617.44, 432,982.86 and 88,903.84 is: 133,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,617.44 : 432,982.86 = 88,903.84 : x
  2. Step 2: Convert to fraction form
    288,617.44/432,982.86 = 88,903.84/x
  3. Step 3: Cross multiply
    288,617.44x = 432,982.86 × 88,903.84
  4. Step 4: Simplify right side
    288,617.44x = 38,493,838,908.18
  5. Step 5: Solve for x
    x = 38,493,838,908.18/288,617.44
  6. Step 6: Final answer
    x = 133,373.23

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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.