Home / 451,245.68-676,870.08-114,286.16

Finding the Fourth Proportional to 451,245.68, 676,870.08 and 114,286.16

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Solution

The fourth proportional to 451,245.68, 676,870.08 and 114,286.16 is: 171,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,245.68 : 676,870.08 = 114,286.16 : x
  2. Step 2: Convert to fraction form
    451,245.68/676,870.08 = 114,286.16/x
  3. Step 3: Cross multiply
    451,245.68x = 676,870.08 × 114,286.16
  4. Step 4: Simplify right side
    451,245.68x = 77,356,882,262.09
  5. Step 5: Solve for x
    x = 77,356,882,262.09/451,245.68
  6. Step 6: Final answer
    x = 171,429.64

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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.