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Finding the Fourth Proportional to 313,571.56, 432,789.40 and 204,486.51

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Solution

The fourth proportional to 313,571.56, 432,789.40 and 204,486.51 is: 282,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,571.56 : 432,789.40 = 204,486.51 : x
  2. Step 2: Convert to fraction form
    313,571.56/432,789.40 = 204,486.51/x
  3. Step 3: Cross multiply
    313,571.56x = 432,789.40 × 204,486.51
  4. Step 4: Simplify right side
    313,571.56x = 88,499,593,990.24
  5. Step 5: Solve for x
    x = 88,499,593,990.24/313,571.56
  6. Step 6: Final answer
    x = 282,230.93

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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.