Home / 424,845.29-637,048.52-125,287.79

Finding the Fourth Proportional to 424,845.29, 637,048.52 and 125,287.79

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Solution

The fourth proportional to 424,845.29, 637,048.52 and 125,287.79 is: 187,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,845.29 : 637,048.52 = 125,287.79 : x
  2. Step 2: Convert to fraction form
    424,845.29/637,048.52 = 125,287.79/x
  3. Step 3: Cross multiply
    424,845.29x = 637,048.52 × 125,287.79
  4. Step 4: Simplify right side
    424,845.29x = 79,814,397,381.89
  5. Step 5: Solve for x
    x = 79,814,397,381.89/424,845.29
  6. Step 6: Final answer
    x = 187,866.97

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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.