Home / 220,346.19-330,548.70-87,195.31

Finding the Fourth Proportional to 220,346.19, 330,548.70 and 87,195.31

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Solution

The fourth proportional to 220,346.19, 330,548.70 and 87,195.31 is: 130,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,346.19 : 330,548.70 = 87,195.31 : x
  2. Step 2: Convert to fraction form
    220,346.19/330,548.70 = 87,195.31/x
  3. Step 3: Cross multiply
    220,346.19x = 330,548.70 × 87,195.31
  4. Step 4: Simplify right side
    220,346.19x = 28,822,294,713.85
  5. Step 5: Solve for x
    x = 28,822,294,713.85/220,346.19
  6. Step 6: Final answer
    x = 130,804.60

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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.