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Finding the Fourth Proportional to 235,336.48, 353,281.20 and 146,793.76

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Solution

The fourth proportional to 235,336.48, 353,281.20 and 146,793.76 is: 220,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,336.48 : 353,281.20 = 146,793.76 : x
  2. Step 2: Convert to fraction form
    235,336.48/353,281.20 = 146,793.76/x
  3. Step 3: Cross multiply
    235,336.48x = 353,281.20 × 146,793.76
  4. Step 4: Simplify right side
    235,336.48x = 51,859,475,685.31
  5. Step 5: Solve for x
    x = 51,859,475,685.31/235,336.48
  6. Step 6: Final answer
    x = 220,363.10

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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.