Home / 286,290.09-429,402.33-75,944.43

Finding the Fourth Proportional to 286,290.09, 429,402.33 and 75,944.43

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Solution

The fourth proportional to 286,290.09, 429,402.33 and 75,944.43 is: 113,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,290.09 : 429,402.33 = 75,944.43 : x
  2. Step 2: Convert to fraction form
    286,290.09/429,402.33 = 75,944.43/x
  3. Step 3: Cross multiply
    286,290.09x = 429,402.33 × 75,944.43
  4. Step 4: Simplify right side
    286,290.09x = 32,610,715,192.52
  5. Step 5: Solve for x
    x = 32,610,715,192.52/286,290.09
  6. Step 6: Final answer
    x = 113,907.94

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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.