Home / 440,346.87-660,519.09-124,806.51

Finding the Fourth Proportional to 440,346.87, 660,519.09 and 124,806.51

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Solution

The fourth proportional to 440,346.87, 660,519.09 and 124,806.51 is: 187,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,346.87 : 660,519.09 = 124,806.51 : x
  2. Step 2: Convert to fraction form
    440,346.87/660,519.09 = 124,806.51/x
  3. Step 3: Cross multiply
    440,346.87x = 660,519.09 × 124,806.51
  4. Step 4: Simplify right side
    440,346.87x = 82,437,082,411.28
  5. Step 5: Solve for x
    x = 82,437,082,411.28/440,346.87
  6. Step 6: Final answer
    x = 187,209.42

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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.