Home / 240,218.58-360,077.37-90,355.62

Finding the Fourth Proportional to 240,218.58, 360,077.37 and 90,355.62

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Solution

The fourth proportional to 240,218.58, 360,077.37 and 90,355.62 is: 135,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,218.58 : 360,077.37 = 90,355.62 : x
  2. Step 2: Convert to fraction form
    240,218.58/360,077.37 = 90,355.62/x
  3. Step 3: Cross multiply
    240,218.58x = 360,077.37 × 90,355.62
  4. Step 4: Simplify right side
    240,218.58x = 32,535,014,014.32
  5. Step 5: Solve for x
    x = 32,535,014,014.32/240,218.58
  6. Step 6: Final answer
    x = 135,439.21

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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.