Home / 203,387.13-305,046.02-53,628.89

Finding the Fourth Proportional to 203,387.13, 305,046.02 and 53,628.89

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Solution

The fourth proportional to 203,387.13, 305,046.02 and 53,628.89 is: 80,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,387.13 : 305,046.02 = 53,628.89 : x
  2. Step 2: Convert to fraction form
    203,387.13/305,046.02 = 53,628.89/x
  3. Step 3: Cross multiply
    203,387.13x = 305,046.02 × 53,628.89
  4. Step 4: Simplify right side
    203,387.13x = 16,359,277,658.14
  5. Step 5: Solve for x
    x = 16,359,277,658.14/203,387.13
  6. Step 6: Final answer
    x = 80,434.18

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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.