Home / 261,939.52-361,520.02-154,535.94

Finding the Fourth Proportional to 261,939.52, 361,520.02 and 154,535.94

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Solution

The fourth proportional to 261,939.52, 361,520.02 and 154,535.94 is: 213,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,939.52 : 361,520.02 = 154,535.94 : x
  2. Step 2: Convert to fraction form
    261,939.52/361,520.02 = 154,535.94/x
  3. Step 3: Cross multiply
    261,939.52x = 361,520.02 × 154,535.94
  4. Step 4: Simplify right side
    261,939.52x = 55,867,836,119.52
  5. Step 5: Solve for x
    x = 55,867,836,119.52/261,939.52
  6. Step 6: Final answer
    x = 213,285.25

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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.