Home / 292,986.14-439,491.98-143,352.41

Finding the Fourth Proportional to 292,986.14, 439,491.98 and 143,352.41

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Solution

The fourth proportional to 292,986.14, 439,491.98 and 143,352.41 is: 215,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,986.14 : 439,491.98 = 143,352.41 : x
  2. Step 2: Convert to fraction form
    292,986.14/439,491.98 = 143,352.41/x
  3. Step 3: Cross multiply
    292,986.14x = 439,491.98 × 143,352.41
  4. Step 4: Simplify right side
    292,986.14x = 63,002,233,791.91
  5. Step 5: Solve for x
    x = 63,002,233,791.91/292,986.14
  6. Step 6: Final answer
    x = 215,034.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.