Home / 343,743.40-516,003.90-185,890.60

Finding the Fourth Proportional to 343,743.40, 516,003.90 and 185,890.60

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Solution

The fourth proportional to 343,743.40, 516,003.90 and 185,890.60 is: 279,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,743.40 : 516,003.90 = 185,890.60 : x
  2. Step 2: Convert to fraction form
    343,743.40/516,003.90 = 185,890.60/x
  3. Step 3: Cross multiply
    343,743.40x = 516,003.90 × 185,890.60
  4. Step 4: Simplify right side
    343,743.40x = 95,920,274,573.34
  5. Step 5: Solve for x
    x = 95,920,274,573.34/343,743.40
  6. Step 6: Final answer
    x = 279,046.16

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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.