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Finding the Fourth Proportional to 202,458.02, 279,394.17 and 111,816.29

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Solution

The fourth proportional to 202,458.02, 279,394.17 and 111,816.29 is: 154,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,458.02 : 279,394.17 = 111,816.29 : x
  2. Step 2: Convert to fraction form
    202,458.02/279,394.17 = 111,816.29/x
  3. Step 3: Cross multiply
    202,458.02x = 279,394.17 × 111,816.29
  4. Step 4: Simplify right side
    202,458.02x = 31,240,819,537.03
  5. Step 5: Solve for x
    x = 31,240,819,537.03/202,458.02
  6. Step 6: Final answer
    x = 154,307.64

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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.