Home / 340,500.38-510,561.83-157,932.05

Finding the Fourth Proportional to 340,500.38, 510,561.83 and 157,932.05

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Solution

The fourth proportional to 340,500.38, 510,561.83 and 157,932.05 is: 236,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,500.38 : 510,561.83 = 157,932.05 : x
  2. Step 2: Convert to fraction form
    340,500.38/510,561.83 = 157,932.05/x
  3. Step 3: Cross multiply
    340,500.38x = 510,561.83 × 157,932.05
  4. Step 4: Simplify right side
    340,500.38x = 80,634,073,121.18
  5. Step 5: Solve for x
    x = 80,634,073,121.18/340,500.38
  6. Step 6: Final answer
    x = 236,810.53

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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.