Home / 220,079.48-329,995.28-70,284.56

Finding the Fourth Proportional to 220,079.48, 329,995.28 and 70,284.56

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Solution

The fourth proportional to 220,079.48, 329,995.28 and 70,284.56 is: 105,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,079.48 : 329,995.28 = 70,284.56 : x
  2. Step 2: Convert to fraction form
    220,079.48/329,995.28 = 70,284.56/x
  3. Step 3: Cross multiply
    220,079.48x = 329,995.28 × 70,284.56
  4. Step 4: Simplify right side
    220,079.48x = 23,193,573,056.88
  5. Step 5: Solve for x
    x = 23,193,573,056.88/220,079.48
  6. Step 6: Final answer
    x = 105,387.26

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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.