Home / 249,629.86-344,491.50-142,198.30

Finding the Fourth Proportional to 249,629.86, 344,491.50 and 142,198.30

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Solution

The fourth proportional to 249,629.86, 344,491.50 and 142,198.30 is: 196,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,629.86 : 344,491.50 = 142,198.30 : x
  2. Step 2: Convert to fraction form
    249,629.86/344,491.50 = 142,198.30/x
  3. Step 3: Cross multiply
    249,629.86x = 344,491.50 × 142,198.30
  4. Step 4: Simplify right side
    249,629.86x = 48,986,105,664.45
  5. Step 5: Solve for x
    x = 48,986,105,664.45/249,629.86
  6. Step 6: Final answer
    x = 196,234.96

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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.