Home / 345,360.35-476,470.86-209,296.14

Finding the Fourth Proportional to 345,360.35, 476,470.86 and 209,296.14

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Solution

The fourth proportional to 345,360.35, 476,470.86 and 209,296.14 is: 288,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,360.35 : 476,470.86 = 209,296.14 : x
  2. Step 2: Convert to fraction form
    345,360.35/476,470.86 = 209,296.14/x
  3. Step 3: Cross multiply
    345,360.35x = 476,470.86 × 209,296.14
  4. Step 4: Simplify right side
    345,360.35x = 99,723,511,820.48
  5. Step 5: Solve for x
    x = 99,723,511,820.48/345,360.35
  6. Step 6: Final answer
    x = 288,752.06

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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.