Home / 447,229.04-670,911.60-147,741.28

Finding the Fourth Proportional to 447,229.04, 670,911.60 and 147,741.28

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Solution

The fourth proportional to 447,229.04, 670,911.60 and 147,741.28 is: 221,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,229.04 : 670,911.60 = 147,741.28 : x
  2. Step 2: Convert to fraction form
    447,229.04/670,911.60 = 147,741.28/x
  3. Step 3: Cross multiply
    447,229.04x = 670,911.60 × 147,741.28
  4. Step 4: Simplify right side
    447,229.04x = 99,121,338,550.85
  5. Step 5: Solve for x
    x = 99,121,338,550.85/447,229.04
  6. Step 6: Final answer
    x = 221,634.40

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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.