Home / 269,021.16-403,088.81-187,976.39

Finding the Fourth Proportional to 269,021.16, 403,088.81 and 187,976.39

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Solution

The fourth proportional to 269,021.16, 403,088.81 and 187,976.39 is: 281,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,021.16 : 403,088.81 = 187,976.39 : x
  2. Step 2: Convert to fraction form
    269,021.16/403,088.81 = 187,976.39/x
  3. Step 3: Cross multiply
    269,021.16x = 403,088.81 × 187,976.39
  4. Step 4: Simplify right side
    269,021.16x = 75,771,176,397.87
  5. Step 5: Solve for x
    x = 75,771,176,397.87/269,021.16
  6. Step 6: Final answer
    x = 281,655.08

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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.