Home / 249,255.50-343,960.63-141,815.48

Finding the Fourth Proportional to 249,255.50, 343,960.63 and 141,815.48

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Solution

The fourth proportional to 249,255.50, 343,960.63 and 141,815.48 is: 195,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,255.50 : 343,960.63 = 141,815.48 : x
  2. Step 2: Convert to fraction form
    249,255.50/343,960.63 = 141,815.48/x
  3. Step 3: Cross multiply
    249,255.50x = 343,960.63 × 141,815.48
  4. Step 4: Simplify right side
    249,255.50x = 48,778,939,770.21
  5. Step 5: Solve for x
    x = 48,778,939,770.21/249,255.50
  6. Step 6: Final answer
    x = 195,698.55

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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.