Home / 340,382.30-469,723.68-187,417.35

Finding the Fourth Proportional to 340,382.30, 469,723.68 and 187,417.35

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Solution

The fourth proportional to 340,382.30, 469,723.68 and 187,417.35 is: 258,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,382.30 : 469,723.68 = 187,417.35 : x
  2. Step 2: Convert to fraction form
    340,382.30/469,723.68 = 187,417.35/x
  3. Step 3: Cross multiply
    340,382.30x = 469,723.68 × 187,417.35
  4. Step 4: Simplify right side
    340,382.30x = 88,034,367,337.85
  5. Step 5: Solve for x
    x = 88,034,367,337.85/340,382.30
  6. Step 6: Final answer
    x = 258,633.80

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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.