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Finding the Fourth Proportional to 551,270.84, 826,758.66 and 151,816.68

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Solution

The fourth proportional to 551,270.84, 826,758.66 and 151,816.68 is: 227,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,270.84 : 826,758.66 = 151,816.68 : x
  2. Step 2: Convert to fraction form
    551,270.84/826,758.66 = 151,816.68/x
  3. Step 3: Cross multiply
    551,270.84x = 826,758.66 × 151,816.68
  4. Step 4: Simplify right side
    551,270.84x = 125,515,754,922.45
  5. Step 5: Solve for x
    x = 125,515,754,922.45/551,270.84
  6. Step 6: Final answer
    x = 227,684.37

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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.