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Finding the Fourth Proportional to 338,448.15, 467,057.48 and 187,545.15

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Solution

The fourth proportional to 338,448.15, 467,057.48 and 187,545.15 is: 258,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,448.15 : 467,057.48 = 187,545.15 : x
  2. Step 2: Convert to fraction form
    338,448.15/467,057.48 = 187,545.15/x
  3. Step 3: Cross multiply
    338,448.15x = 467,057.48 × 187,545.15
  4. Step 4: Simplify right side
    338,448.15x = 87,594,364,207.50
  5. Step 5: Solve for x
    x = 87,594,364,207.50/338,448.15
  6. Step 6: Final answer
    x = 258,811.77

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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.