Home / 249,420.40-344,194.56-136,243.60

Finding the Fourth Proportional to 249,420.40, 344,194.56 and 136,243.60

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Solution

The fourth proportional to 249,420.40, 344,194.56 and 136,243.60 is: 188,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,420.40 : 344,194.56 = 136,243.60 : x
  2. Step 2: Convert to fraction form
    249,420.40/344,194.56 = 136,243.60/x
  3. Step 3: Cross multiply
    249,420.40x = 344,194.56 × 136,243.60
  4. Step 4: Simplify right side
    249,420.40x = 46,894,305,954.82
  5. Step 5: Solve for x
    x = 46,894,305,954.82/249,420.40
  6. Step 6: Final answer
    x = 188,013.11

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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.