Home / 447,330.60-670,850.10-166,811.40

Finding the Fourth Proportional to 447,330.60, 670,850.10 and 166,811.40

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Solution

The fourth proportional to 447,330.60, 670,850.10 and 166,811.40 is: 250,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,330.60 : 670,850.10 = 166,811.40 : x
  2. Step 2: Convert to fraction form
    447,330.60/670,850.10 = 166,811.40/x
  3. Step 3: Cross multiply
    447,330.60x = 670,850.10 × 166,811.40
  4. Step 4: Simplify right side
    447,330.60x = 111,905,444,371.14
  5. Step 5: Solve for x
    x = 111,905,444,371.14/447,330.60
  6. Step 6: Final answer
    x = 250,162.73

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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.