Home / 453,734.85-680,621.04-133,886.72

Finding the Fourth Proportional to 453,734.85, 680,621.04 and 133,886.72

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Solution

The fourth proportional to 453,734.85, 680,621.04 and 133,886.72 is: 200,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,734.85 : 680,621.04 = 133,886.72 : x
  2. Step 2: Convert to fraction form
    453,734.85/680,621.04 = 133,886.72/x
  3. Step 3: Cross multiply
    453,734.85x = 680,621.04 × 133,886.72
  4. Step 4: Simplify right side
    453,734.85x = 91,126,115,205.48
  5. Step 5: Solve for x
    x = 91,126,115,205.48/453,734.85
  6. Step 6: Final answer
    x = 200,835.61

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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.