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Finding the Fourth Proportional to 338,496, 467,124.48 and 187,602.72

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Solution

The fourth proportional to 338,496, 467,124.48 and 187,602.72 is: 258,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,496 : 467,124.48 = 187,602.72 : x
  2. Step 2: Convert to fraction form
    338,496/467,124.48 = 187,602.72/x
  3. Step 3: Cross multiply
    338,496x = 467,124.48 × 187,602.72
  4. Step 4: Simplify right side
    338,496x = 87,633,823,026.59
  5. Step 5: Solve for x
    x = 87,633,823,026.59/338,496
  6. Step 6: Final answer
    x = 258,891.75

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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.