Home / 320,849.94-481,748.01-178,972.41

Finding the Fourth Proportional to 320,849.94, 481,748.01 and 178,972.41

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Solution

The fourth proportional to 320,849.94, 481,748.01 and 178,972.41 is: 268,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,849.94 : 481,748.01 = 178,972.41 : x
  2. Step 2: Convert to fraction form
    320,849.94/481,748.01 = 178,972.41/x
  3. Step 3: Cross multiply
    320,849.94x = 481,748.01 × 178,972.41
  4. Step 4: Simplify right side
    320,849.94x = 86,219,602,362.40
  5. Step 5: Solve for x
    x = 86,219,602,362.40/320,849.94
  6. Step 6: Final answer
    x = 268,722.51

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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.