Home / 340,579.08-510,691.23-127,171.52

Finding the Fourth Proportional to 340,579.08, 510,691.23 and 127,171.52

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Solution

The fourth proportional to 340,579.08, 510,691.23 and 127,171.52 is: 190,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,579.08 : 510,691.23 = 127,171.52 : x
  2. Step 2: Convert to fraction form
    340,579.08/510,691.23 = 127,171.52/x
  3. Step 3: Cross multiply
    340,579.08x = 510,691.23 × 127,171.52
  4. Step 4: Simplify right side
    340,579.08x = 64,945,379,331.41
  5. Step 5: Solve for x
    x = 64,945,379,331.41/340,579.08
  6. Step 6: Final answer
    x = 190,691.04

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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.