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Finding the Fourth Proportional to 288,501.54, 432,801.72 and 88,818

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Solution

The fourth proportional to 288,501.54, 432,801.72 and 88,818 is: 133,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,501.54 : 432,801.72 = 88,818 : x
  2. Step 2: Convert to fraction form
    288,501.54/432,801.72 = 88,818/x
  3. Step 3: Cross multiply
    288,501.54x = 432,801.72 × 88,818
  4. Step 4: Simplify right side
    288,501.54x = 38,440,583,166.96
  5. Step 5: Solve for x
    x = 38,440,583,166.96/288,501.54
  6. Step 6: Final answer
    x = 133,242.21

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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.