Home / 231,866.28-320,275.62-191,742.12

Finding the Fourth Proportional to 231,866.28, 320,275.62 and 191,742.12

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Solution

The fourth proportional to 231,866.28, 320,275.62 and 191,742.12 is: 264,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,866.28 : 320,275.62 = 191,742.12 : x
  2. Step 2: Convert to fraction form
    231,866.28/320,275.62 = 191,742.12/x
  3. Step 3: Cross multiply
    231,866.28x = 320,275.62 × 191,742.12
  4. Step 4: Simplify right side
    231,866.28x = 61,410,326,363.11
  5. Step 5: Solve for x
    x = 61,410,326,363.11/231,866.28
  6. Step 6: Final answer
    x = 264,852.34

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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.