Home / 345,118.53-476,283.25-207,339.61

Finding the Fourth Proportional to 345,118.53, 476,283.25 and 207,339.61

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Solution

The fourth proportional to 345,118.53, 476,283.25 and 207,339.61 is: 286,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,118.53 : 476,283.25 = 207,339.61 : x
  2. Step 2: Convert to fraction form
    345,118.53/476,283.25 = 207,339.61/x
  3. Step 3: Cross multiply
    345,118.53x = 476,283.25 × 207,339.61
  4. Step 4: Simplify right side
    345,118.53x = 98,752,383,304.53
  5. Step 5: Solve for x
    x = 98,752,383,304.53/345,118.53
  6. Step 6: Final answer
    x = 286,140.48

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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.