Home / 209,067.26-288,449.25-118,408.82

Finding the Fourth Proportional to 209,067.26, 288,449.25 and 118,408.82

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Solution

The fourth proportional to 209,067.26, 288,449.25 and 118,408.82 is: 163,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,067.26 : 288,449.25 = 118,408.82 : x
  2. Step 2: Convert to fraction form
    209,067.26/288,449.25 = 118,408.82/x
  3. Step 3: Cross multiply
    209,067.26x = 288,449.25 × 118,408.82
  4. Step 4: Simplify right side
    209,067.26x = 34,154,935,322.39
  5. Step 5: Solve for x
    x = 34,154,935,322.39/209,067.26
  6. Step 6: Final answer
    x = 163,368.17

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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.