Home / 299,201.04-412,948.73-285,748.56

Finding the Fourth Proportional to 299,201.04, 412,948.73 and 285,748.56

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Solution

The fourth proportional to 299,201.04, 412,948.73 and 285,748.56 is: 394,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,201.04 : 412,948.73 = 285,748.56 : x
  2. Step 2: Convert to fraction form
    299,201.04/412,948.73 = 285,748.56/x
  3. Step 3: Cross multiply
    299,201.04x = 412,948.73 × 285,748.56
  4. Step 4: Simplify right side
    299,201.04x = 117,999,505,665.70
  5. Step 5: Solve for x
    x = 117,999,505,665.70/299,201.04
  6. Step 6: Final answer
    x = 394,382.00

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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.