Home / 438,795.50-658,193.25-106,371.50

Finding the Fourth Proportional to 438,795.50, 658,193.25 and 106,371.50

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Solution

The fourth proportional to 438,795.50, 658,193.25 and 106,371.50 is: 159,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,795.50 : 658,193.25 = 106,371.50 : x
  2. Step 2: Convert to fraction form
    438,795.50/658,193.25 = 106,371.50/x
  3. Step 3: Cross multiply
    438,795.50x = 658,193.25 × 106,371.50
  4. Step 4: Simplify right side
    438,795.50x = 70,013,003,292.38
  5. Step 5: Solve for x
    x = 70,013,003,292.38/438,795.50
  6. Step 6: Final answer
    x = 159,557.25

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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.