Home / 285,072.60-391,304.38-252,084.36

Finding the Fourth Proportional to 285,072.60, 391,304.38 and 252,084.36

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Solution

The fourth proportional to 285,072.60, 391,304.38 and 252,084.36 is: 346,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,072.60 : 391,304.38 = 252,084.36 : x
  2. Step 2: Convert to fraction form
    285,072.60/391,304.38 = 252,084.36/x
  3. Step 3: Cross multiply
    285,072.60x = 391,304.38 × 252,084.36
  4. Step 4: Simplify right side
    285,072.60x = 98,641,714,197.50
  5. Step 5: Solve for x
    x = 98,641,714,197.50/285,072.60
  6. Step 6: Final answer
    x = 346,023.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.