Home / 220,223.88-330,385.03-70,473.16

Finding the Fourth Proportional to 220,223.88, 330,385.03 and 70,473.16

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Solution

The fourth proportional to 220,223.88, 330,385.03 and 70,473.16 is: 105,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,223.88 : 330,385.03 = 70,473.16 : x
  2. Step 2: Convert to fraction form
    220,223.88/330,385.03 = 70,473.16/x
  3. Step 3: Cross multiply
    220,223.88x = 330,385.03 × 70,473.16
  4. Step 4: Simplify right side
    220,223.88x = 23,283,275,459.18
  5. Step 5: Solve for x
    x = 23,283,275,459.18/220,223.88
  6. Step 6: Final answer
    x = 105,725.48

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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.