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Finding the Fourth Proportional to 230,525.16, 345,787.72 and 72,864.32

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Solution

The fourth proportional to 230,525.16, 345,787.72 and 72,864.32 is: 109,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,525.16 : 345,787.72 = 72,864.32 : x
  2. Step 2: Convert to fraction form
    230,525.16/345,787.72 = 72,864.32/x
  3. Step 3: Cross multiply
    230,525.16x = 345,787.72 × 72,864.32
  4. Step 4: Simplify right side
    230,525.16x = 25,195,587,082.15
  5. Step 5: Solve for x
    x = 25,195,587,082.15/230,525.16
  6. Step 6: Final answer
    x = 109,296.47

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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.