Home / 208,968.66-288,380.18-118,322.24

Finding the Fourth Proportional to 208,968.66, 288,380.18 and 118,322.24

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Solution

The fourth proportional to 208,968.66, 288,380.18 and 118,322.24 is: 163,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,968.66 : 288,380.18 = 118,322.24 : x
  2. Step 2: Convert to fraction form
    208,968.66/288,380.18 = 118,322.24/x
  3. Step 3: Cross multiply
    208,968.66x = 288,380.18 × 118,322.24
  4. Step 4: Simplify right side
    208,968.66x = 34,121,787,723.11
  5. Step 5: Solve for x
    x = 34,121,787,723.11/208,968.66
  6. Step 6: Final answer
    x = 163,286.63

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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.