Home / 322,742.95-445,354.11-186,749.83

Finding the Fourth Proportional to 322,742.95, 445,354.11 and 186,749.83

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Solution

The fourth proportional to 322,742.95, 445,354.11 and 186,749.83 is: 257,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,742.95 : 445,354.11 = 186,749.83 : x
  2. Step 2: Convert to fraction form
    322,742.95/445,354.11 = 186,749.83/x
  3. Step 3: Cross multiply
    322,742.95x = 445,354.11 × 186,749.83
  4. Step 4: Simplify right side
    322,742.95x = 83,169,804,332.30
  5. Step 5: Solve for x
    x = 83,169,804,332.30/322,742.95
  6. Step 6: Final answer
    x = 257,696.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.