Home / 202,986.30-304,479.45-97,815.90

Finding the Fourth Proportional to 202,986.30, 304,479.45 and 97,815.90

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Solution

The fourth proportional to 202,986.30, 304,479.45 and 97,815.90 is: 146,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,986.30 : 304,479.45 = 97,815.90 : x
  2. Step 2: Convert to fraction form
    202,986.30/304,479.45 = 97,815.90/x
  3. Step 3: Cross multiply
    202,986.30x = 304,479.45 × 97,815.90
  4. Step 4: Simplify right side
    202,986.30x = 29,782,931,433.26
  5. Step 5: Solve for x
    x = 29,782,931,433.26/202,986.30
  6. Step 6: Final answer
    x = 146,723.85

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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.