Home / 453,377.40-680,091.70-137,844.60

Finding the Fourth Proportional to 453,377.40, 680,091.70 and 137,844.60

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Solution

The fourth proportional to 453,377.40, 680,091.70 and 137,844.60 is: 206,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,377.40 : 680,091.70 = 137,844.60 : x
  2. Step 2: Convert to fraction form
    453,377.40/680,091.70 = 137,844.60/x
  3. Step 3: Cross multiply
    453,377.40x = 680,091.70 × 137,844.60
  4. Step 4: Simplify right side
    453,377.40x = 93,746,968,349.82
  5. Step 5: Solve for x
    x = 93,746,968,349.82/453,377.40
  6. Step 6: Final answer
    x = 206,774.68

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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.