Home / 371,301.50-556,963.20-90,818.75

Finding the Fourth Proportional to 371,301.50, 556,963.20 and 90,818.75

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Solution

The fourth proportional to 371,301.50, 556,963.20 and 90,818.75 is: 136,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,301.50 : 556,963.20 = 90,818.75 : x
  2. Step 2: Convert to fraction form
    371,301.50/556,963.20 = 90,818.75/x
  3. Step 3: Cross multiply
    371,301.50x = 556,963.20 × 90,818.75
  4. Step 4: Simplify right side
    371,301.50x = 50,582,701,620.00
  5. Step 5: Solve for x
    x = 50,582,701,620.00/371,301.50
  6. Step 6: Final answer
    x = 136,230.80

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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.