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Finding the Fourth Proportional to 288,750.52, 432,959.52 and 111,234.40

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Solution

The fourth proportional to 288,750.52, 432,959.52 and 111,234.40 is: 166,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,750.52 : 432,959.52 = 111,234.40 : x
  2. Step 2: Convert to fraction form
    288,750.52/432,959.52 = 111,234.40/x
  3. Step 3: Cross multiply
    288,750.52x = 432,959.52 × 111,234.40
  4. Step 4: Simplify right side
    288,750.52x = 48,159,992,431.49
  5. Step 5: Solve for x
    x = 48,159,992,431.49/288,750.52
  6. Step 6: Final answer
    x = 166,787.55

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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.