Home / 424,865.45-637,394.19-140,555.33

Finding the Fourth Proportional to 424,865.45, 637,394.19 and 140,555.33

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Solution

The fourth proportional to 424,865.45, 637,394.19 and 140,555.33 is: 210,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,865.45 : 637,394.19 = 140,555.33 : x
  2. Step 2: Convert to fraction form
    424,865.45/637,394.19 = 140,555.33/x
  3. Step 3: Cross multiply
    424,865.45x = 637,394.19 × 140,555.33
  4. Step 4: Simplify right side
    424,865.45x = 89,589,150,715.53
  5. Step 5: Solve for x
    x = 89,589,150,715.53/424,865.45
  6. Step 6: Final answer
    x = 210,864.76

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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.