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Finding the Fourth Proportional to 245,054.60, 367,591.26 and 76,590.44

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Solution

The fourth proportional to 245,054.60, 367,591.26 and 76,590.44 is: 114,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,054.60 : 367,591.26 = 76,590.44 : x
  2. Step 2: Convert to fraction form
    245,054.60/367,591.26 = 76,590.44/x
  3. Step 3: Cross multiply
    245,054.60x = 367,591.26 × 76,590.44
  4. Step 4: Simplify right side
    245,054.60x = 28,153,976,343.55
  5. Step 5: Solve for x
    x = 28,153,976,343.55/245,054.60
  6. Step 6: Final answer
    x = 114,888.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.