Home / 220,933.28-304,922.54-130,299.20

Finding the Fourth Proportional to 220,933.28, 304,922.54 and 130,299.20

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Solution

The fourth proportional to 220,933.28, 304,922.54 and 130,299.20 is: 179,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,933.28 : 304,922.54 = 130,299.20 : x
  2. Step 2: Convert to fraction form
    220,933.28/304,922.54 = 130,299.20/x
  3. Step 3: Cross multiply
    220,933.28x = 304,922.54 × 130,299.20
  4. Step 4: Simplify right side
    220,933.28x = 39,731,164,112.02
  5. Step 5: Solve for x
    x = 39,731,164,112.02/220,933.28
  6. Step 6: Final answer
    x = 179,833.32

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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.