Home / 372,019.20-557,688.32-161,581.44

Finding the Fourth Proportional to 372,019.20, 557,688.32 and 161,581.44

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Solution

The fourth proportional to 372,019.20, 557,688.32 and 161,581.44 is: 242,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,019.20 : 557,688.32 = 161,581.44 : x
  2. Step 2: Convert to fraction form
    372,019.20/557,688.32 = 161,581.44/x
  3. Step 3: Cross multiply
    372,019.20x = 557,688.32 × 161,581.44
  4. Step 4: Simplify right side
    372,019.20x = 90,112,081,816.78
  5. Step 5: Solve for x
    x = 90,112,081,816.78/372,019.20
  6. Step 6: Final answer
    x = 242,224.28

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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.