Home / 235,749.64-353,677.92-77,977.84

Finding the Fourth Proportional to 235,749.64, 353,677.92 and 77,977.84

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Solution

The fourth proportional to 235,749.64, 353,677.92 and 77,977.84 is: 116,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,749.64 : 353,677.92 = 77,977.84 : x
  2. Step 2: Convert to fraction form
    235,749.64/353,677.92 = 77,977.84/x
  3. Step 3: Cross multiply
    235,749.64x = 353,677.92 × 77,977.84
  4. Step 4: Simplify right side
    235,749.64x = 27,579,040,257.29
  5. Step 5: Solve for x
    x = 27,579,040,257.29/235,749.64
  6. Step 6: Final answer
    x = 116,984.44

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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.