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Finding the Fourth Proportional to 240,970.87, 361,061.96 and 146,230.18

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Solution

The fourth proportional to 240,970.87, 361,061.96 and 146,230.18 is: 219,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,970.87 : 361,061.96 = 146,230.18 : x
  2. Step 2: Convert to fraction form
    240,970.87/361,061.96 = 146,230.18/x
  3. Step 3: Cross multiply
    240,970.87x = 361,061.96 × 146,230.18
  4. Step 4: Simplify right side
    240,970.87x = 52,798,155,670.49
  5. Step 5: Solve for x
    x = 52,798,155,670.49/240,970.87
  6. Step 6: Final answer
    x = 219,105.97

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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.