Home / 249,581.74-344,422.78-136,404.49

Finding the Fourth Proportional to 249,581.74, 344,422.78 and 136,404.49

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Solution

The fourth proportional to 249,581.74, 344,422.78 and 136,404.49 is: 188,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,581.74 : 344,422.78 = 136,404.49 : x
  2. Step 2: Convert to fraction form
    249,581.74/344,422.78 = 136,404.49/x
  3. Step 3: Cross multiply
    249,581.74x = 344,422.78 × 136,404.49
  4. Step 4: Simplify right side
    249,581.74x = 46,980,813,650.28
  5. Step 5: Solve for x
    x = 46,980,813,650.28/249,581.74
  6. Step 6: Final answer
    x = 188,238.18

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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.