Home / 208,926.60-288,317.88-113,433.30

Finding the Fourth Proportional to 208,926.60, 288,317.88 and 113,433.30

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Solution

The fourth proportional to 208,926.60, 288,317.88 and 113,433.30 is: 156,537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,926.60 : 288,317.88 = 113,433.30 : x
  2. Step 2: Convert to fraction form
    208,926.60/288,317.88 = 113,433.30/x
  3. Step 3: Cross multiply
    208,926.60x = 288,317.88 × 113,433.30
  4. Step 4: Simplify right side
    208,926.60x = 32,704,848,577.40
  5. Step 5: Solve for x
    x = 32,704,848,577.40/208,926.60
  6. Step 6: Final answer
    x = 156,537.50

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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.