Home / 269,455.42-404,449.04-143,095.30

Finding the Fourth Proportional to 269,455.42, 404,449.04 and 143,095.30

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Solution

The fourth proportional to 269,455.42, 404,449.04 and 143,095.30 is: 214,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,455.42 : 404,449.04 = 143,095.30 : x
  2. Step 2: Convert to fraction form
    269,455.42/404,449.04 = 143,095.30/x
  3. Step 3: Cross multiply
    269,455.42x = 404,449.04 × 143,095.30
  4. Step 4: Simplify right side
    269,455.42x = 57,874,755,998.04
  5. Step 5: Solve for x
    x = 57,874,755,998.04/269,455.42
  6. Step 6: Final answer
    x = 214,784.16

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1.5x scale

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.