Home / 249,010.56-343,629-135,837.36

Finding the Fourth Proportional to 249,010.56, 343,629 and 135,837.36

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Solution

The fourth proportional to 249,010.56, 343,629 and 135,837.36 is: 187,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,010.56 : 343,629 = 135,837.36 : x
  2. Step 2: Convert to fraction form
    249,010.56/343,629 = 135,837.36/x
  3. Step 3: Cross multiply
    249,010.56x = 343,629 × 135,837.36
  4. Step 4: Simplify right side
    249,010.56x = 46,677,656,179.44
  5. Step 5: Solve for x
    x = 46,677,656,179.44/249,010.56
  6. Step 6: Final answer
    x = 187,452.52

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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.