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Finding the Fourth Proportional to 245,485.44, 368,277.12 and 87,736.32

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Solution

The fourth proportional to 245,485.44, 368,277.12 and 87,736.32 is: 131,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,485.44 : 368,277.12 = 87,736.32 : x
  2. Step 2: Convert to fraction form
    245,485.44/368,277.12 = 87,736.32/x
  3. Step 3: Cross multiply
    245,485.44x = 368,277.12 × 87,736.32
  4. Step 4: Simplify right side
    245,485.44x = 32,311,279,249.00
  5. Step 5: Solve for x
    x = 32,311,279,249.00/245,485.44
  6. Step 6: Final answer
    x = 131,621.98

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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.