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Finding the Fourth Proportional to 228,357.78, 315,239.49 and 132,829.62

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Solution

The fourth proportional to 228,357.78, 315,239.49 and 132,829.62 is: 183,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,357.78 : 315,239.49 = 132,829.62 : x
  2. Step 2: Convert to fraction form
    228,357.78/315,239.49 = 132,829.62/x
  3. Step 3: Cross multiply
    228,357.78x = 315,239.49 × 132,829.62
  4. Step 4: Simplify right side
    228,357.78x = 41,873,141,665.69
  5. Step 5: Solve for x
    x = 41,873,141,665.69/228,357.78
  6. Step 6: Final answer
    x = 183,366.39

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1.5x scale

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.