Home / 447,315.28-670,951.20-166,810.72

Finding the Fourth Proportional to 447,315.28, 670,951.20 and 166,810.72

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Solution

The fourth proportional to 447,315.28, 670,951.20 and 166,810.72 is: 250,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,315.28 : 670,951.20 = 166,810.72 : x
  2. Step 2: Convert to fraction form
    447,315.28/670,951.20 = 166,810.72/x
  3. Step 3: Cross multiply
    447,315.28x = 670,951.20 × 166,810.72
  4. Step 4: Simplify right side
    447,315.28x = 111,921,852,756.86
  5. Step 5: Solve for x
    x = 111,921,852,756.86/447,315.28
  6. Step 6: Final answer
    x = 250,207.98

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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.