Home / 249,782.56-344,708.70-142,335.25

Finding the Fourth Proportional to 249,782.56, 344,708.70 and 142,335.25

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Solution

The fourth proportional to 249,782.56, 344,708.70 and 142,335.25 is: 196,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,782.56 : 344,708.70 = 142,335.25 : x
  2. Step 2: Convert to fraction form
    249,782.56/344,708.70 = 142,335.25/x
  3. Step 3: Cross multiply
    249,782.56x = 344,708.70 × 142,335.25
  4. Step 4: Simplify right side
    249,782.56x = 49,064,196,556.46
  5. Step 5: Solve for x
    x = 49,064,196,556.46/249,782.56
  6. Step 6: Final answer
    x = 196,427.64

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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.