Home / 240,520.40-360,778.04-74,309.84

Finding the Fourth Proportional to 240,520.40, 360,778.04 and 74,309.84

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Solution

The fourth proportional to 240,520.40, 360,778.04 and 74,309.84 is: 111,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,520.40 : 360,778.04 = 74,309.84 : x
  2. Step 2: Convert to fraction form
    240,520.40/360,778.04 = 74,309.84/x
  3. Step 3: Cross multiply
    240,520.40x = 360,778.04 × 74,309.84
  4. Step 4: Simplify right side
    240,520.40x = 26,809,358,427.91
  5. Step 5: Solve for x
    x = 26,809,358,427.91/240,520.40
  6. Step 6: Final answer
    x = 111,463.97

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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.