Home / 240,208.53-360,327.65-80,298.85

Finding the Fourth Proportional to 240,208.53, 360,327.65 and 80,298.85

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Solution

The fourth proportional to 240,208.53, 360,327.65 and 80,298.85 is: 120,453.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,208.53 : 360,327.65 = 80,298.85 : x
  2. Step 2: Convert to fraction form
    240,208.53/360,327.65 = 80,298.85/x
  3. Step 3: Cross multiply
    240,208.53x = 360,327.65 × 80,298.85
  4. Step 4: Simplify right side
    240,208.53x = 28,933,897,019.77
  5. Step 5: Solve for x
    x = 28,933,897,019.77/240,208.53
  6. Step 6: Final answer
    x = 120,453.25

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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.