Home / 255,102.30-382,653.45-223,998.30

Finding the Fourth Proportional to 255,102.30, 382,653.45 and 223,998.30

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Solution

The fourth proportional to 255,102.30, 382,653.45 and 223,998.30 is: 335,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,102.30 : 382,653.45 = 223,998.30 : x
  2. Step 2: Convert to fraction form
    255,102.30/382,653.45 = 223,998.30/x
  3. Step 3: Cross multiply
    255,102.30x = 382,653.45 × 223,998.30
  4. Step 4: Simplify right side
    255,102.30x = 85,713,722,289.14
  5. Step 5: Solve for x
    x = 85,713,722,289.14/255,102.30
  6. Step 6: Final answer
    x = 335,997.45

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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.