Home / 213,427.36-319,207.92-149,199.52

Finding the Fourth Proportional to 213,427.36, 319,207.92 and 149,199.52

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Solution

The fourth proportional to 213,427.36, 319,207.92 and 149,199.52 is: 223,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,427.36 : 319,207.92 = 149,199.52 : x
  2. Step 2: Convert to fraction form
    213,427.36/319,207.92 = 149,199.52/x
  3. Step 3: Cross multiply
    213,427.36x = 319,207.92 × 149,199.52
  4. Step 4: Simplify right side
    213,427.36x = 47,625,668,444.20
  5. Step 5: Solve for x
    x = 47,625,668,444.20/213,427.36
  6. Step 6: Final answer
    x = 223,146.97

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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.