Home / 208,860.12-288,232.16-113,366.59

Finding the Fourth Proportional to 208,860.12, 288,232.16 and 113,366.59

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Solution

The fourth proportional to 208,860.12, 288,232.16 and 113,366.59 is: 156,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,860.12 : 288,232.16 = 113,366.59 : x
  2. Step 2: Convert to fraction form
    208,860.12/288,232.16 = 113,366.59/x
  3. Step 3: Cross multiply
    208,860.12x = 288,232.16 × 113,366.59
  4. Step 4: Simplify right side
    208,860.12x = 32,675,895,820.12
  5. Step 5: Solve for x
    x = 32,675,895,820.12/208,860.12
  6. Step 6: Final answer
    x = 156,448.71

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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.