Home / 479,795.78-719,690.42-159,972.14

Finding the Fourth Proportional to 479,795.78, 719,690.42 and 159,972.14

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Solution

The fourth proportional to 479,795.78, 719,690.42 and 159,972.14 is: 239,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,795.78 : 719,690.42 = 159,972.14 : x
  2. Step 2: Convert to fraction form
    479,795.78/719,690.42 = 159,972.14/x
  3. Step 3: Cross multiply
    479,795.78x = 719,690.42 × 159,972.14
  4. Step 4: Simplify right side
    479,795.78x = 115,130,416,624.90
  5. Step 5: Solve for x
    x = 115,130,416,624.90/479,795.78
  6. Step 6: Final answer
    x = 239,957.13

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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.