Home / 345,020.95-476,179.76-207,209.17

Finding the Fourth Proportional to 345,020.95, 476,179.76 and 207,209.17

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Solution

The fourth proportional to 345,020.95, 476,179.76 and 207,209.17 is: 285,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,020.95 : 476,179.76 = 207,209.17 : x
  2. Step 2: Convert to fraction form
    345,020.95/476,179.76 = 207,209.17/x
  3. Step 3: Cross multiply
    345,020.95x = 476,179.76 × 207,209.17
  4. Step 4: Simplify right side
    345,020.95x = 98,668,813,953.65
  5. Step 5: Solve for x
    x = 98,668,813,953.65/345,020.95
  6. Step 6: Final answer
    x = 285,979.20

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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.