Home / 229,974.89-317,325.86-211,372.12

Finding the Fourth Proportional to 229,974.89, 317,325.86 and 211,372.12

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Solution

The fourth proportional to 229,974.89, 317,325.86 and 211,372.12 is: 291,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,974.89 : 317,325.86 = 211,372.12 : x
  2. Step 2: Convert to fraction form
    229,974.89/317,325.86 = 211,372.12/x
  3. Step 3: Cross multiply
    229,974.89x = 317,325.86 × 211,372.12
  4. Step 4: Simplify right side
    229,974.89x = 67,073,838,700.82
  5. Step 5: Solve for x
    x = 67,073,838,700.82/229,974.89
  6. Step 6: Final answer
    x = 291,657.23

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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.