Home / 296,599.12-444,942.06-86,209.72

Finding the Fourth Proportional to 296,599.12, 444,942.06 and 86,209.72

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Solution

The fourth proportional to 296,599.12, 444,942.06 and 86,209.72 is: 129,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,599.12 : 444,942.06 = 86,209.72 : x
  2. Step 2: Convert to fraction form
    296,599.12/444,942.06 = 86,209.72/x
  3. Step 3: Cross multiply
    296,599.12x = 444,942.06 × 86,209.72
  4. Step 4: Simplify right side
    296,599.12x = 38,358,330,408.82
  5. Step 5: Solve for x
    x = 38,358,330,408.82/296,599.12
  6. Step 6: Final answer
    x = 129,327.19

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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.