Home / 654,120.08-981,180.13-204,876.10

Finding the Fourth Proportional to 654,120.08, 981,180.13 and 204,876.10

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Solution

The fourth proportional to 654,120.08, 981,180.13 and 204,876.10 is: 307,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,120.08 : 981,180.13 = 204,876.10 : x
  2. Step 2: Convert to fraction form
    654,120.08/981,180.13 = 204,876.10/x
  3. Step 3: Cross multiply
    654,120.08x = 981,180.13 × 204,876.10
  4. Step 4: Simplify right side
    654,120.08x = 201,020,358,431.89
  5. Step 5: Solve for x
    x = 201,020,358,431.89/654,120.08
  6. Step 6: Final answer
    x = 307,314.15

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Similar ratio
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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.