Home / 249,713.31-344,638.13-140,840.02

Finding the Fourth Proportional to 249,713.31, 344,638.13 and 140,840.02

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Solution

The fourth proportional to 249,713.31, 344,638.13 and 140,840.02 is: 194,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,713.31 : 344,638.13 = 140,840.02 : x
  2. Step 2: Convert to fraction form
    249,713.31/344,638.13 = 140,840.02/x
  3. Step 3: Cross multiply
    249,713.31x = 344,638.13 × 140,840.02
  4. Step 4: Simplify right side
    249,713.31x = 48,538,841,121.96
  5. Step 5: Solve for x
    x = 48,538,841,121.96/249,713.31
  6. Step 6: Final answer
    x = 194,378.27

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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.