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Finding the Fourth Proportional to 286,010.93, 428,944.38 and 117,578.22

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Solution

The fourth proportional to 286,010.93, 428,944.38 and 117,578.22 is: 176,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,010.93 : 428,944.38 = 117,578.22 : x
  2. Step 2: Convert to fraction form
    286,010.93/428,944.38 = 117,578.22/x
  3. Step 3: Cross multiply
    286,010.93x = 428,944.38 × 117,578.22
  4. Step 4: Simplify right side
    286,010.93x = 50,434,516,679.40
  5. Step 5: Solve for x
    x = 50,434,516,679.40/286,010.93
  6. Step 6: Final answer
    x = 176,337.73

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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.