Home / 296,646.76-445,043.04-86,286.52

Finding the Fourth Proportional to 296,646.76, 445,043.04 and 86,286.52

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Solution

The fourth proportional to 296,646.76, 445,043.04 and 86,286.52 is: 129,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,646.76 : 445,043.04 = 86,286.52 : x
  2. Step 2: Convert to fraction form
    296,646.76/445,043.04 = 86,286.52/x
  3. Step 3: Cross multiply
    296,646.76x = 445,043.04 × 86,286.52
  4. Step 4: Simplify right side
    296,646.76x = 38,401,215,171.82
  5. Step 5: Solve for x
    x = 38,401,215,171.82/296,646.76
  6. Step 6: Final answer
    x = 129,450.98

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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.