Home / 397,770.32-548,933.16-216,492.08

Finding the Fourth Proportional to 397,770.32, 548,933.16 and 216,492.08

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Solution

The fourth proportional to 397,770.32, 548,933.16 and 216,492.08 is: 298,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,770.32 : 548,933.16 = 216,492.08 : x
  2. Step 2: Convert to fraction form
    397,770.32/548,933.16 = 216,492.08/x
  3. Step 3: Cross multiply
    397,770.32x = 548,933.16 × 216,492.08
  4. Step 4: Simplify right side
    397,770.32x = 118,839,681,589.37
  5. Step 5: Solve for x
    x = 118,839,681,589.37/397,770.32
  6. Step 6: Final answer
    x = 298,764.58

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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.