Home / 403,939.85-606,085.13-216,732.65

Finding the Fourth Proportional to 403,939.85, 606,085.13 and 216,732.65

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Solution

The fourth proportional to 403,939.85, 606,085.13 and 216,732.65 is: 325,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,939.85 : 606,085.13 = 216,732.65 : x
  2. Step 2: Convert to fraction form
    403,939.85/606,085.13 = 216,732.65/x
  3. Step 3: Cross multiply
    403,939.85x = 606,085.13 × 216,732.65
  4. Step 4: Simplify right side
    403,939.85x = 131,358,433,861.90
  5. Step 5: Solve for x
    x = 131,358,433,861.90/403,939.85
  6. Step 6: Final answer
    x = 325,193.06

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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.