Home / 456,735.20-685,102.80-141,191.60

Finding the Fourth Proportional to 456,735.20, 685,102.80 and 141,191.60

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Solution

The fourth proportional to 456,735.20, 685,102.80 and 141,191.60 is: 211,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,735.20 : 685,102.80 = 141,191.60 : x
  2. Step 2: Convert to fraction form
    456,735.20/685,102.80 = 141,191.60/x
  3. Step 3: Cross multiply
    456,735.20x = 685,102.80 × 141,191.60
  4. Step 4: Simplify right side
    456,735.20x = 96,730,760,496.48
  5. Step 5: Solve for x
    x = 96,730,760,496.48/456,735.20
  6. Step 6: Final answer
    x = 211,787.40

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Similar ratio
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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.