Home / 220,253.20-303,997.80-144,808.72

Finding the Fourth Proportional to 220,253.20, 303,997.80 and 144,808.72

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Solution

The fourth proportional to 220,253.20, 303,997.80 and 144,808.72 is: 199,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,253.20 : 303,997.80 = 144,808.72 : x
  2. Step 2: Convert to fraction form
    220,253.20/303,997.80 = 144,808.72/x
  3. Step 3: Cross multiply
    220,253.20x = 303,997.80 × 144,808.72
  4. Step 4: Simplify right side
    220,253.20x = 44,021,532,300.82
  5. Step 5: Solve for x
    x = 44,021,532,300.82/220,253.20
  6. Step 6: Final answer
    x = 199,867.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.