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Finding the Fourth Proportional to 202,826.19, 304,174.58 and 69,674.34

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Solution

The fourth proportional to 202,826.19, 304,174.58 and 69,674.34 is: 104,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,826.19 : 304,174.58 = 69,674.34 : x
  2. Step 2: Convert to fraction form
    202,826.19/304,174.58 = 69,674.34/x
  3. Step 3: Cross multiply
    202,826.19x = 304,174.58 × 69,674.34
  4. Step 4: Simplify right side
    202,826.19x = 21,193,163,106.28
  5. Step 5: Solve for x
    x = 21,193,163,106.28/202,826.19
  6. Step 6: Final answer
    x = 104,489.28

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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.