Home / 345,324.60-476,570.52-209,370.96

Finding the Fourth Proportional to 345,324.60, 476,570.52 and 209,370.96

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Solution

The fourth proportional to 345,324.60, 476,570.52 and 209,370.96 is: 288,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,324.60 : 476,570.52 = 209,370.96 : x
  2. Step 2: Convert to fraction form
    345,324.60/476,570.52 = 209,370.96/x
  3. Step 3: Cross multiply
    345,324.60x = 476,570.52 × 209,370.96
  4. Step 4: Simplify right side
    345,324.60x = 99,780,027,280.10
  5. Step 5: Solve for x
    x = 99,780,027,280.10/345,324.60
  6. Step 6: Final answer
    x = 288,945.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.