Home / 440,140.15-660,210.23-240,351.56

Finding the Fourth Proportional to 440,140.15, 660,210.23 and 240,351.56

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Solution

The fourth proportional to 440,140.15, 660,210.23 and 240,351.56 is: 360,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,140.15 : 660,210.23 = 240,351.56 : x
  2. Step 2: Convert to fraction form
    440,140.15/660,210.23 = 240,351.56/x
  3. Step 3: Cross multiply
    440,140.15x = 660,210.23 × 240,351.56
  4. Step 4: Simplify right side
    440,140.15x = 158,682,558,708.46
  5. Step 5: Solve for x
    x = 158,682,558,708.46/440,140.15
  6. Step 6: Final answer
    x = 360,527.34

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1.5x scale

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.