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Finding the Fourth Proportional to 609,012.53, 913,496.93 and 159,729.83

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Solution

The fourth proportional to 609,012.53, 913,496.93 and 159,729.83 is: 239,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,012.53 : 913,496.93 = 159,729.83 : x
  2. Step 2: Convert to fraction form
    609,012.53/913,496.93 = 159,729.83/x
  3. Step 3: Cross multiply
    609,012.53x = 913,496.93 × 159,729.83
  4. Step 4: Simplify right side
    609,012.53x = 145,912,708,535.77
  5. Step 5: Solve for x
    x = 145,912,708,535.77/609,012.53
  6. Step 6: Final answer
    x = 239,589.01

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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.