Home / 371,324.20-556,986.30-90,841.45

Finding the Fourth Proportional to 371,324.20, 556,986.30 and 90,841.45

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Solution

The fourth proportional to 371,324.20, 556,986.30 and 90,841.45 is: 136,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,324.20 : 556,986.30 = 90,841.45 : x
  2. Step 2: Convert to fraction form
    371,324.20/556,986.30 = 90,841.45/x
  3. Step 3: Cross multiply
    371,324.20x = 556,986.30 × 90,841.45
  4. Step 4: Simplify right side
    371,324.20x = 50,597,443,122.14
  5. Step 5: Solve for x
    x = 50,597,443,122.14/371,324.20
  6. Step 6: Final answer
    x = 136,262.18

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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.