Home / 284,186.10-426,279.15-118,298.10

Finding the Fourth Proportional to 284,186.10, 426,279.15 and 118,298.10

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Solution

The fourth proportional to 284,186.10, 426,279.15 and 118,298.10 is: 177,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,186.10 : 426,279.15 = 118,298.10 : x
  2. Step 2: Convert to fraction form
    284,186.10/426,279.15 = 118,298.10/x
  3. Step 3: Cross multiply
    284,186.10x = 426,279.15 × 118,298.10
  4. Step 4: Simplify right side
    284,186.10x = 50,428,013,514.62
  5. Step 5: Solve for x
    x = 50,428,013,514.62/284,186.10
  6. Step 6: Final answer
    x = 177,447.15

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1.5x scale

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.