Home / 345,390.35-476,512.27-209,326.14

Finding the Fourth Proportional to 345,390.35, 476,512.27 and 209,326.14

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Solution

The fourth proportional to 345,390.35, 476,512.27 and 209,326.14 is: 288,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,390.35 : 476,512.27 = 209,326.14 : x
  2. Step 2: Convert to fraction form
    345,390.35/476,512.27 = 209,326.14/x
  3. Step 3: Cross multiply
    345,390.35x = 476,512.27 × 209,326.14
  4. Step 4: Simplify right side
    345,390.35x = 99,746,473,618.42
  5. Step 5: Solve for x
    x = 99,746,473,618.42/345,390.35
  6. Step 6: Final answer
    x = 288,793.46

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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.