Home / 240,171.28-360,202.14-90,427.36

Finding the Fourth Proportional to 240,171.28, 360,202.14 and 90,427.36

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Solution

The fourth proportional to 240,171.28, 360,202.14 and 90,427.36 is: 135,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,171.28 : 360,202.14 = 90,427.36 : x
  2. Step 2: Convert to fraction form
    240,171.28/360,202.14 = 90,427.36/x
  3. Step 3: Cross multiply
    240,171.28x = 360,202.14 × 90,427.36
  4. Step 4: Simplify right side
    240,171.28x = 32,572,128,586.55
  5. Step 5: Solve for x
    x = 32,572,128,586.55/240,171.28
  6. Step 6: Final answer
    x = 135,620.41

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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.