Home / 249,579.74-344,420.03-136,402.49

Finding the Fourth Proportional to 249,579.74, 344,420.03 and 136,402.49

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Solution

The fourth proportional to 249,579.74, 344,420.03 and 136,402.49 is: 188,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,579.74 : 344,420.03 = 136,402.49 : x
  2. Step 2: Convert to fraction form
    249,579.74/344,420.03 = 136,402.49/x
  3. Step 3: Cross multiply
    249,579.74x = 344,420.03 × 136,402.49
  4. Step 4: Simplify right side
    249,579.74x = 46,979,747,293.76
  5. Step 5: Solve for x
    x = 46,979,747,293.76/249,579.74
  6. Step 6: Final answer
    x = 188,235.42

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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.