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Finding the Fourth Proportional to 341,475.92, 512,475.24 and 154,618.64

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Solution

The fourth proportional to 341,475.92, 512,475.24 and 154,618.64 is: 232,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,475.92 : 512,475.24 = 154,618.64 : x
  2. Step 2: Convert to fraction form
    341,475.92/512,475.24 = 154,618.64/x
  3. Step 3: Cross multiply
    341,475.92x = 512,475.24 × 154,618.64
  4. Step 4: Simplify right side
    341,475.92x = 79,238,224,642.47
  5. Step 5: Solve for x
    x = 79,238,224,642.47/341,475.92
  6. Step 6: Final answer
    x = 232,046.30

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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.