Home / 249,431.36-344,216.33-136,256.54

Finding the Fourth Proportional to 249,431.36, 344,216.33 and 136,256.54

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Solution

The fourth proportional to 249,431.36, 344,216.33 and 136,256.54 is: 188,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,431.36 : 344,216.33 = 136,256.54 : x
  2. Step 2: Convert to fraction form
    249,431.36/344,216.33 = 136,256.54/x
  3. Step 3: Cross multiply
    249,431.36x = 344,216.33 × 136,256.54
  4. Step 4: Simplify right side
    249,431.36x = 46,901,723,734.93
  5. Step 5: Solve for x
    x = 46,901,723,734.93/249,431.36
  6. Step 6: Final answer
    x = 188,034.59

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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.