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Finding the Fourth Proportional to 230,314.32, 345,394.32 and 88,126.53

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Solution

The fourth proportional to 230,314.32, 345,394.32 and 88,126.53 is: 132,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,314.32 : 345,394.32 = 88,126.53 : x
  2. Step 2: Convert to fraction form
    230,314.32/345,394.32 = 88,126.53/x
  3. Step 3: Cross multiply
    230,314.32x = 345,394.32 × 88,126.53
  4. Step 4: Simplify right side
    230,314.32x = 30,438,402,903.31
  5. Step 5: Solve for x
    x = 30,438,402,903.31/230,314.32
  6. Step 6: Final answer
    x = 132,160.27

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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.