Home / 424,815.30-637,071.16-140,453.35

Finding the Fourth Proportional to 424,815.30, 637,071.16 and 140,453.35

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Solution

The fourth proportional to 424,815.30, 637,071.16 and 140,453.35 is: 210,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,815.30 : 637,071.16 = 140,453.35 : x
  2. Step 2: Convert to fraction form
    424,815.30/637,071.16 = 140,453.35/x
  3. Step 3: Cross multiply
    424,815.30x = 637,071.16 × 140,453.35
  4. Step 4: Simplify right side
    424,815.30x = 89,478,782,001.87
  5. Step 5: Solve for x
    x = 89,478,782,001.87/424,815.30
  6. Step 6: Final answer
    x = 210,629.85

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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.