Home / 231,283.06-346,948.37-87,310.15

Finding the Fourth Proportional to 231,283.06, 346,948.37 and 87,310.15

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Solution

The fourth proportional to 231,283.06, 346,948.37 and 87,310.15 is: 130,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,283.06 : 346,948.37 = 87,310.15 : x
  2. Step 2: Convert to fraction form
    231,283.06/346,948.37 = 87,310.15/x
  3. Step 3: Cross multiply
    231,283.06x = 346,948.37 × 87,310.15
  4. Step 4: Simplify right side
    231,283.06x = 30,292,114,226.96
  5. Step 5: Solve for x
    x = 30,292,114,226.96/231,283.06
  6. Step 6: Final answer
    x = 130,974.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.