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Finding the Fourth Proportional to 288,458.47, 432,100.18 and 235,339.75

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Solution

The fourth proportional to 288,458.47, 432,100.18 and 235,339.75 is: 352,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,458.47 : 432,100.18 = 235,339.75 : x
  2. Step 2: Convert to fraction form
    288,458.47/432,100.18 = 235,339.75/x
  3. Step 3: Cross multiply
    288,458.47x = 432,100.18 × 235,339.75
  4. Step 4: Simplify right side
    288,458.47x = 101,690,348,336.16
  5. Step 5: Solve for x
    x = 101,690,348,336.16/288,458.47
  6. Step 6: Final answer
    x = 352,530.29

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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.