Home / 249,647.75-344,515.13-136,470.50

Finding the Fourth Proportional to 249,647.75, 344,515.13 and 136,470.50

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Solution

The fourth proportional to 249,647.75, 344,515.13 and 136,470.50 is: 188,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,647.75 : 344,515.13 = 136,470.50 : x
  2. Step 2: Convert to fraction form
    249,647.75/344,515.13 = 136,470.50/x
  3. Step 3: Cross multiply
    249,647.75x = 344,515.13 × 136,470.50
  4. Step 4: Simplify right side
    249,647.75x = 47,016,152,048.67
  5. Step 5: Solve for x
    x = 47,016,152,048.67/249,647.75
  6. Step 6: Final answer
    x = 188,329.97

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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.