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Finding the Fourth Proportional to 269,750.30, 372,231.83 and 172,783.09

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Solution

The fourth proportional to 269,750.30, 372,231.83 and 172,783.09 is: 238,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,750.30 : 372,231.83 = 172,783.09 : x
  2. Step 2: Convert to fraction form
    269,750.30/372,231.83 = 172,783.09/x
  3. Step 3: Cross multiply
    269,750.30x = 372,231.83 × 172,783.09
  4. Step 4: Simplify right side
    269,750.30x = 64,315,366,681.00
  5. Step 5: Solve for x
    x = 64,315,366,681.00/269,750.30
  6. Step 6: Final answer
    x = 238,425.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.