Home / 240,170.28-360,200.64-90,426.36

Finding the Fourth Proportional to 240,170.28, 360,200.64 and 90,426.36

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Solution

The fourth proportional to 240,170.28, 360,200.64 and 90,426.36 is: 135,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,170.28 : 360,200.64 = 90,426.36 : x
  2. Step 2: Convert to fraction form
    240,170.28/360,200.64 = 90,426.36/x
  3. Step 3: Cross multiply
    240,170.28x = 360,200.64 × 90,426.36
  4. Step 4: Simplify right side
    240,170.28x = 32,571,632,744.87
  5. Step 5: Solve for x
    x = 32,571,632,744.87/240,170.28
  6. Step 6: Final answer
    x = 135,618.91

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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.