Home / 249,738.48-344,628.93-142,299.40

Finding the Fourth Proportional to 249,738.48, 344,628.93 and 142,299.40

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Solution

The fourth proportional to 249,738.48, 344,628.93 and 142,299.40 is: 196,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,738.48 : 344,628.93 = 142,299.40 : x
  2. Step 2: Convert to fraction form
    249,738.48/344,628.93 = 142,299.40/x
  3. Step 3: Cross multiply
    249,738.48x = 344,628.93 × 142,299.40
  4. Step 4: Simplify right side
    249,738.48x = 49,040,489,961.64
  5. Step 5: Solve for x
    x = 49,040,489,961.64/249,738.48
  6. Step 6: Final answer
    x = 196,367.38

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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.