Home / 380,551.26-571,181.13-193,702.62

Finding the Fourth Proportional to 380,551.26, 571,181.13 and 193,702.62

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Solution

The fourth proportional to 380,551.26, 571,181.13 and 193,702.62 is: 290,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,551.26 : 571,181.13 = 193,702.62 : x
  2. Step 2: Convert to fraction form
    380,551.26/571,181.13 = 193,702.62/x
  3. Step 3: Cross multiply
    380,551.26x = 571,181.13 × 193,702.62
  4. Step 4: Simplify right side
    380,551.26x = 110,639,281,375.56
  5. Step 5: Solve for x
    x = 110,639,281,375.56/380,551.26
  6. Step 6: Final answer
    x = 290,734.24

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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.