Home / 445,932.43-669,000.80-193,255.31

Finding the Fourth Proportional to 445,932.43, 669,000.80 and 193,255.31

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Solution

The fourth proportional to 445,932.43, 669,000.80 and 193,255.31 is: 289,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,932.43 : 669,000.80 = 193,255.31 : x
  2. Step 2: Convert to fraction form
    445,932.43/669,000.80 = 193,255.31/x
  3. Step 3: Cross multiply
    445,932.43x = 669,000.80 × 193,255.31
  4. Step 4: Simplify right side
    445,932.43x = 129,287,956,994.25
  5. Step 5: Solve for x
    x = 129,287,956,994.25/445,932.43
  6. Step 6: Final answer
    x = 289,927.24

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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.