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Finding the Fourth Proportional to 479,429.48, 719,261.27 and 159,580.73

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Solution

The fourth proportional to 479,429.48, 719,261.27 and 159,580.73 is: 239,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,429.48 : 719,261.27 = 159,580.73 : x
  2. Step 2: Convert to fraction form
    479,429.48/719,261.27 = 159,580.73/x
  3. Step 3: Cross multiply
    479,429.48x = 719,261.27 × 159,580.73
  4. Step 4: Simplify right side
    479,429.48x = 114,780,240,126.00
  5. Step 5: Solve for x
    x = 114,780,240,126.00/479,429.48
  6. Step 6: Final answer
    x = 239,410.06

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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.