Home / 438,960.20-658,440.30-106,536.20

Finding the Fourth Proportional to 438,960.20, 658,440.30 and 106,536.20

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Solution

The fourth proportional to 438,960.20, 658,440.30 and 106,536.20 is: 159,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,960.20 : 658,440.30 = 106,536.20 : x
  2. Step 2: Convert to fraction form
    438,960.20/658,440.30 = 106,536.20/x
  3. Step 3: Cross multiply
    438,960.20x = 658,440.30 × 106,536.20
  4. Step 4: Simplify right side
    438,960.20x = 70,147,727,488.86
  5. Step 5: Solve for x
    x = 70,147,727,488.86/438,960.20
  6. Step 6: Final answer
    x = 159,804.30

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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.