Home / 438,824.80-658,237.20-106,400.80

Finding the Fourth Proportional to 438,824.80, 658,237.20 and 106,400.80

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Solution

The fourth proportional to 438,824.80, 658,237.20 and 106,400.80 is: 159,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,824.80 : 658,237.20 = 106,400.80 : x
  2. Step 2: Convert to fraction form
    438,824.80/658,237.20 = 106,400.80/x
  3. Step 3: Cross multiply
    438,824.80x = 658,237.20 × 106,400.80
  4. Step 4: Simplify right side
    438,824.80x = 70,036,964,669.76
  5. Step 5: Solve for x
    x = 70,036,964,669.76/438,824.80
  6. Step 6: Final answer
    x = 159,601.20

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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.