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Finding the Fourth Proportional to 239,603.57, 359,374.25 and 71,120.53

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Solution

The fourth proportional to 239,603.57, 359,374.25 and 71,120.53 is: 106,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,603.57 : 359,374.25 = 71,120.53 : x
  2. Step 2: Convert to fraction form
    239,603.57/359,374.25 = 71,120.53/x
  3. Step 3: Cross multiply
    239,603.57x = 359,374.25 × 71,120.53
  4. Step 4: Simplify right side
    239,603.57x = 25,558,887,755.37
  5. Step 5: Solve for x
    x = 25,558,887,755.37/239,603.57
  6. Step 6: Final answer
    x = 106,671.57

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1.5x scale

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.