Home / 220,577.58-330,603.93-126,886.50

Finding the Fourth Proportional to 220,577.58, 330,603.93 and 126,886.50

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Solution

The fourth proportional to 220,577.58, 330,603.93 and 126,886.50 is: 190,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,577.58 : 330,603.93 = 126,886.50 : x
  2. Step 2: Convert to fraction form
    220,577.58/330,603.93 = 126,886.50/x
  3. Step 3: Cross multiply
    220,577.58x = 330,603.93 × 126,886.50
  4. Step 4: Simplify right side
    220,577.58x = 41,949,175,563.95
  5. Step 5: Solve for x
    x = 41,949,175,563.95/220,577.58
  6. Step 6: Final answer
    x = 190,178.78

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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.