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Finding the Fourth Proportional to 386,025, 532,870.82 and 250,175.56

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Solution

The fourth proportional to 386,025, 532,870.82 and 250,175.56 is: 345,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,025 : 532,870.82 = 250,175.56 : x
  2. Step 2: Convert to fraction form
    386,025/532,870.82 = 250,175.56/x
  3. Step 3: Cross multiply
    386,025x = 532,870.82 × 250,175.56
  4. Step 4: Simplify right side
    386,025x = 133,311,255,801.16
  5. Step 5: Solve for x
    x = 133,311,255,801.16/386,025
  6. Step 6: Final answer
    x = 345,343.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.