Home / 240,156.60-360,221.91-121,824.86

Finding the Fourth Proportional to 240,156.60, 360,221.91 and 121,824.86

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Solution

The fourth proportional to 240,156.60, 360,221.91 and 121,824.86 is: 182,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,156.60 : 360,221.91 = 121,824.86 : x
  2. Step 2: Convert to fraction form
    240,156.60/360,221.91 = 121,824.86/x
  3. Step 3: Cross multiply
    240,156.60x = 360,221.91 × 121,824.86
  4. Step 4: Simplify right side
    240,156.60x = 43,883,983,865.61
  5. Step 5: Solve for x
    x = 43,883,983,865.61/240,156.60
  6. Step 6: Final answer
    x = 182,730.70

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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.