Home / 440,139.15-660,208.73-240,350.56

Finding the Fourth Proportional to 440,139.15, 660,208.73 and 240,350.56

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Solution

The fourth proportional to 440,139.15, 660,208.73 and 240,350.56 is: 360,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,139.15 : 660,208.73 = 240,350.56 : x
  2. Step 2: Convert to fraction form
    440,139.15/660,208.73 = 240,350.56/x
  3. Step 3: Cross multiply
    440,139.15x = 660,208.73 × 240,350.56
  4. Step 4: Simplify right side
    440,139.15x = 158,681,535,120.11
  5. Step 5: Solve for x
    x = 158,681,535,120.11/440,139.15
  6. Step 6: Final answer
    x = 360,525.84

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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.