Home / 424,829.48-637,337.97-140,608.58

Finding the Fourth Proportional to 424,829.48, 637,337.97 and 140,608.58

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Solution

The fourth proportional to 424,829.48, 637,337.97 and 140,608.58 is: 210,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,829.48 : 637,337.97 = 140,608.58 : x
  2. Step 2: Convert to fraction form
    424,829.48/637,337.97 = 140,608.58/x
  3. Step 3: Cross multiply
    424,829.48x = 637,337.97 × 140,608.58
  4. Step 4: Simplify right side
    424,829.48x = 89,615,183,755.09
  5. Step 5: Solve for x
    x = 89,615,183,755.09/424,829.48
  6. Step 6: Final answer
    x = 210,943.89

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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.