Home / 471,456.12-707,207.49-134,546.43

Finding the Fourth Proportional to 471,456.12, 707,207.49 and 134,546.43

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Solution

The fourth proportional to 471,456.12, 707,207.49 and 134,546.43 is: 201,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,456.12 : 707,207.49 = 134,546.43 : x
  2. Step 2: Convert to fraction form
    471,456.12/707,207.49 = 134,546.43/x
  3. Step 3: Cross multiply
    471,456.12x = 707,207.49 × 134,546.43
  4. Step 4: Simplify right side
    471,456.12x = 95,152,243,048.76
  5. Step 5: Solve for x
    x = 95,152,243,048.76/471,456.12
  6. Step 6: Final answer
    x = 201,826.30

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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.