Home / 341,997.38-512,719.35-142,467.65

Finding the Fourth Proportional to 341,997.38, 512,719.35 and 142,467.65

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Solution

The fourth proportional to 341,997.38, 512,719.35 and 142,467.65 is: 213,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,997.38 : 512,719.35 = 142,467.65 : x
  2. Step 2: Convert to fraction form
    341,997.38/512,719.35 = 142,467.65/x
  3. Step 3: Cross multiply
    341,997.38x = 512,719.35 × 142,467.65
  4. Step 4: Simplify right side
    341,997.38x = 73,045,920,904.03
  5. Step 5: Solve for x
    x = 73,045,920,904.03/341,997.38
  6. Step 6: Final answer
    x = 213,586.20

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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.