Home / 314,155.24-471,222.82-100,922.28

Finding the Fourth Proportional to 314,155.24, 471,222.82 and 100,922.28

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Solution

The fourth proportional to 314,155.24, 471,222.82 and 100,922.28 is: 151,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,155.24 : 471,222.82 = 100,922.28 : x
  2. Step 2: Convert to fraction form
    314,155.24/471,222.82 = 100,922.28/x
  3. Step 3: Cross multiply
    314,155.24x = 471,222.82 × 100,922.28
  4. Step 4: Simplify right side
    314,155.24x = 47,556,882,675.97
  5. Step 5: Solve for x
    x = 47,556,882,675.97/314,155.24
  6. Step 6: Final answer
    x = 151,380.20

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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.