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Finding the Fourth Proportional to 202,876.48, 279,977.79 and 112,230.89

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Solution

The fourth proportional to 202,876.48, 279,977.79 and 112,230.89 is: 154,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,876.48 : 279,977.79 = 112,230.89 : x
  2. Step 2: Convert to fraction form
    202,876.48/279,977.79 = 112,230.89/x
  3. Step 3: Cross multiply
    202,876.48x = 279,977.79 × 112,230.89
  4. Step 4: Simplify right side
    202,876.48x = 31,422,156,551.93
  5. Step 5: Solve for x
    x = 31,422,156,551.93/202,876.48
  6. Step 6: Final answer
    x = 154,883.19

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1.5x scale

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.