Home / 322,581.40-445,137.04-179,332.72

Finding the Fourth Proportional to 322,581.40, 445,137.04 and 179,332.72

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Solution

The fourth proportional to 322,581.40, 445,137.04 and 179,332.72 is: 247,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,581.40 : 445,137.04 = 179,332.72 : x
  2. Step 2: Convert to fraction form
    322,581.40/445,137.04 = 179,332.72/x
  3. Step 3: Cross multiply
    322,581.40x = 445,137.04 × 179,332.72
  4. Step 4: Simplify right side
    322,581.40x = 79,827,636,155.95
  5. Step 5: Solve for x
    x = 79,827,636,155.95/322,581.40
  6. Step 6: Final answer
    x = 247,465.09

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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.