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Finding the Fourth Proportional to 471,450.10, 707,181.84 and 134,490.82

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Solution

The fourth proportional to 471,450.10, 707,181.84 and 134,490.82 is: 201,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,450.10 : 707,181.84 = 134,490.82 : x
  2. Step 2: Convert to fraction form
    471,450.10/707,181.84 = 134,490.82/x
  3. Step 3: Cross multiply
    471,450.10x = 707,181.84 × 134,490.82
  4. Step 4: Simplify right side
    471,450.10x = 95,109,465,550.71
  5. Step 5: Solve for x
    x = 95,109,465,550.71/471,450.10
  6. Step 6: Final answer
    x = 201,738.14

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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.