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Finding the Fourth Proportional to 367,052.05, 515,053.85 and 367,052.05

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Solution

The fourth proportional to 367,052.05, 515,053.85 and 367,052.05 is: 515,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,052.05 : 515,053.85 = 367,052.05 : x
  2. Step 2: Convert to fraction form
    367,052.05/515,053.85 = 367,052.05/x
  3. Step 3: Cross multiply
    367,052.05x = 515,053.85 × 367,052.05
  4. Step 4: Simplify right side
    367,052.05x = 189,051,571,502.89
  5. Step 5: Solve for x
    x = 189,051,571,502.89/367,052.05
  6. Step 6: Final answer
    x = 515,053.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.