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Finding the Fourth Proportional to 202,196.19, 279,021 and 110,310

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Solution

The fourth proportional to 202,196.19, 279,021 and 110,310 is: 152,222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,196.19 : 279,021 = 110,310 : x
  2. Step 2: Convert to fraction form
    202,196.19/279,021 = 110,310/x
  3. Step 3: Cross multiply
    202,196.19x = 279,021 × 110,310
  4. Step 4: Simplify right side
    202,196.19x = 30,778,806,510
  5. Step 5: Solve for x
    x = 30,778,806,510/202,196.19
  6. Step 6: Final answer
    x = 152,222.49

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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.