Home / 208,760.45-313,137.02-144,659.48

Finding the Fourth Proportional to 208,760.45, 313,137.02 and 144,659.48

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Solution

The fourth proportional to 208,760.45, 313,137.02 and 144,659.48 is: 216,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,760.45 : 313,137.02 = 144,659.48 : x
  2. Step 2: Convert to fraction form
    208,760.45/313,137.02 = 144,659.48/x
  3. Step 3: Cross multiply
    208,760.45x = 313,137.02 × 144,659.48
  4. Step 4: Simplify right side
    208,760.45x = 45,298,237,277.91
  5. Step 5: Solve for x
    x = 45,298,237,277.91/208,760.45
  6. Step 6: Final answer
    x = 216,986.69

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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.