Home / 438,798.06-658,197.18-158,315.22

Finding the Fourth Proportional to 438,798.06, 658,197.18 and 158,315.22

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Solution

The fourth proportional to 438,798.06, 658,197.18 and 158,315.22 is: 237,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,798.06 : 658,197.18 = 158,315.22 : x
  2. Step 2: Convert to fraction form
    438,798.06/658,197.18 = 158,315.22/x
  3. Step 3: Cross multiply
    438,798.06x = 658,197.18 × 158,315.22
  4. Step 4: Simplify right side
    438,798.06x = 104,202,631,355.08
  5. Step 5: Solve for x
    x = 104,202,631,355.08/438,798.06
  6. Step 6: Final answer
    x = 237,472.86

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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.