Home / 377,359.23-520,724.19-222,285.90

Finding the Fourth Proportional to 377,359.23, 520,724.19 and 222,285.90

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Solution

The fourth proportional to 377,359.23, 520,724.19 and 222,285.90 is: 306,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,359.23 : 520,724.19 = 222,285.90 : x
  2. Step 2: Convert to fraction form
    377,359.23/520,724.19 = 222,285.90/x
  3. Step 3: Cross multiply
    377,359.23x = 520,724.19 × 222,285.90
  4. Step 4: Simplify right side
    377,359.23x = 115,749,645,225.92
  5. Step 5: Solve for x
    x = 115,749,645,225.92/377,359.23
  6. Step 6: Final answer
    x = 306,735.96

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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.