Home / 231,020.30-346,380.60-97,864.40

Finding the Fourth Proportional to 231,020.30, 346,380.60 and 97,864.40

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Solution

The fourth proportional to 231,020.30, 346,380.60 and 97,864.40 is: 146,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,020.30 : 346,380.60 = 97,864.40 : x
  2. Step 2: Convert to fraction form
    231,020.30/346,380.60 = 97,864.40/x
  3. Step 3: Cross multiply
    231,020.30x = 346,380.60 × 97,864.40
  4. Step 4: Simplify right side
    231,020.30x = 33,898,329,590.64
  5. Step 5: Solve for x
    x = 33,898,329,590.64/231,020.30
  6. Step 6: Final answer
    x = 146,733.12

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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.