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Finding the Fourth Proportional to 202,484.28, 279,426.64 and 110,603.64

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Solution

The fourth proportional to 202,484.28, 279,426.64 and 110,603.64 is: 152,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,484.28 : 279,426.64 = 110,603.64 : x
  2. Step 2: Convert to fraction form
    202,484.28/279,426.64 = 110,603.64/x
  3. Step 3: Cross multiply
    202,484.28x = 279,426.64 × 110,603.64
  4. Step 4: Simplify right side
    202,484.28x = 30,905,603,496.97
  5. Step 5: Solve for x
    x = 30,905,603,496.97/202,484.28
  6. Step 6: Final answer
    x = 152,632.11

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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.