Home / 284,338.10-426,640.03-124,393.30

Finding the Fourth Proportional to 284,338.10, 426,640.03 and 124,393.30

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Solution

The fourth proportional to 284,338.10, 426,640.03 and 124,393.30 is: 186,648.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,338.10 : 426,640.03 = 124,393.30 : x
  2. Step 2: Convert to fraction form
    284,338.10/426,640.03 = 124,393.30/x
  3. Step 3: Cross multiply
    284,338.10x = 426,640.03 × 124,393.30
  4. Step 4: Simplify right side
    284,338.10x = 53,071,161,243.80
  5. Step 5: Solve for x
    x = 53,071,161,243.80/284,338.10
  6. Step 6: Final answer
    x = 186,648.09

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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.