Home / 307,764.18-424,735.92-171,824.85

Finding the Fourth Proportional to 307,764.18, 424,735.92 and 171,824.85

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Solution

The fourth proportional to 307,764.18, 424,735.92 and 171,824.85 is: 237,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,764.18 : 424,735.92 = 171,824.85 : x
  2. Step 2: Convert to fraction form
    307,764.18/424,735.92 = 171,824.85/x
  3. Step 3: Cross multiply
    307,764.18x = 424,735.92 × 171,824.85
  4. Step 4: Simplify right side
    307,764.18x = 72,980,185,743.61
  5. Step 5: Solve for x
    x = 72,980,185,743.61/307,764.18
  6. Step 6: Final answer
    x = 237,130.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.