Home / 399,296.03-551,277.23-254,183.72

Finding the Fourth Proportional to 399,296.03, 551,277.23 and 254,183.72

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Solution

The fourth proportional to 399,296.03, 551,277.23 and 254,183.72 is: 350,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,296.03 : 551,277.23 = 254,183.72 : x
  2. Step 2: Convert to fraction form
    399,296.03/551,277.23 = 254,183.72/x
  3. Step 3: Cross multiply
    399,296.03x = 551,277.23 × 254,183.72
  4. Step 4: Simplify right side
    399,296.03x = 140,125,693,045.39
  5. Step 5: Solve for x
    x = 140,125,693,045.39/399,296.03
  6. Step 6: Final answer
    x = 350,931.85

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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.