Home / 447,446.20-671,081.80-166,907.56

Finding the Fourth Proportional to 447,446.20, 671,081.80 and 166,907.56

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Solution

The fourth proportional to 447,446.20, 671,081.80 and 166,907.56 is: 250,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,446.20 : 671,081.80 = 166,907.56 : x
  2. Step 2: Convert to fraction form
    447,446.20/671,081.80 = 166,907.56/x
  3. Step 3: Cross multiply
    447,446.20x = 671,081.80 × 166,907.56
  4. Step 4: Simplify right side
    447,446.20x = 112,008,625,798.41
  5. Step 5: Solve for x
    x = 112,008,625,798.41/447,446.20
  6. Step 6: Final answer
    x = 250,328.70

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1.5x scale

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.