Home / 240,181.28-360,217.14-90,437.36

Finding the Fourth Proportional to 240,181.28, 360,217.14 and 90,437.36

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Solution

The fourth proportional to 240,181.28, 360,217.14 and 90,437.36 is: 135,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,181.28 : 360,217.14 = 90,437.36 : x
  2. Step 2: Convert to fraction form
    240,181.28/360,217.14 = 90,437.36/x
  3. Step 3: Cross multiply
    240,181.28x = 360,217.14 × 90,437.36
  4. Step 4: Simplify right side
    240,181.28x = 32,577,087,168.35
  5. Step 5: Solve for x
    x = 32,577,087,168.35/240,181.28
  6. Step 6: Final answer
    x = 135,635.41

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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.