Home / 284,791.04-426,979.20-136,874.24

Finding the Fourth Proportional to 284,791.04, 426,979.20 and 136,874.24

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Solution

The fourth proportional to 284,791.04, 426,979.20 and 136,874.24 is: 205,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,791.04 : 426,979.20 = 136,874.24 : x
  2. Step 2: Convert to fraction form
    284,791.04/426,979.20 = 136,874.24/x
  3. Step 3: Cross multiply
    284,791.04x = 426,979.20 × 136,874.24
  4. Step 4: Simplify right side
    284,791.04x = 58,442,453,495.81
  5. Step 5: Solve for x
    x = 58,442,453,495.81/284,791.04
  6. Step 6: Final answer
    x = 205,211.70

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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.