Home / 367,719.80-551,450.10-131,070.20

Finding the Fourth Proportional to 367,719.80, 551,450.10 and 131,070.20

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Solution

The fourth proportional to 367,719.80, 551,450.10 and 131,070.20 is: 196,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,719.80 : 551,450.10 = 131,070.20 : x
  2. Step 2: Convert to fraction form
    367,719.80/551,450.10 = 131,070.20/x
  3. Step 3: Cross multiply
    367,719.80x = 551,450.10 × 131,070.20
  4. Step 4: Simplify right side
    367,719.80x = 72,278,674,897.02
  5. Step 5: Solve for x
    x = 72,278,674,897.02/367,719.80
  6. Step 6: Final answer
    x = 196,559.11

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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.