Home / 438,237.65-658,512.37-235,983.29

Finding the Fourth Proportional to 438,237.65, 658,512.37 and 235,983.29

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Solution

The fourth proportional to 438,237.65, 658,512.37 and 235,983.29 is: 354,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,237.65 : 658,512.37 = 235,983.29 : x
  2. Step 2: Convert to fraction form
    438,237.65/658,512.37 = 235,983.29/x
  3. Step 3: Cross multiply
    438,237.65x = 658,512.37 × 235,983.29
  4. Step 4: Simplify right side
    438,237.65x = 155,397,912,580.72
  5. Step 5: Solve for x
    x = 155,397,912,580.72/438,237.65
  6. Step 6: Final answer
    x = 354,597.36

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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.