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Finding the Fourth Proportional to 377,380.06, 520,858.92 and 216,343.24

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Solution

The fourth proportional to 377,380.06, 520,858.92 and 216,343.24 is: 298,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,380.06 : 520,858.92 = 216,343.24 : x
  2. Step 2: Convert to fraction form
    377,380.06/520,858.92 = 216,343.24/x
  3. Step 3: Cross multiply
    377,380.06x = 520,858.92 × 216,343.24
  4. Step 4: Simplify right side
    377,380.06x = 112,684,306,335.70
  5. Step 5: Solve for x
    x = 112,684,306,335.70/377,380.06
  6. Step 6: Final answer
    x = 298,596.34

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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.