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Finding the Fourth Proportional to 245,736.20, 368,798.70 and 96,048.20

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Solution

The fourth proportional to 245,736.20, 368,798.70 and 96,048.20 is: 144,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,736.20 : 368,798.70 = 96,048.20 : x
  2. Step 2: Convert to fraction form
    245,736.20/368,798.70 = 96,048.20/x
  3. Step 3: Cross multiply
    245,736.20x = 368,798.70 × 96,048.20
  4. Step 4: Simplify right side
    245,736.20x = 35,422,451,297.34
  5. Step 5: Solve for x
    x = 35,422,451,297.34/245,736.20
  6. Step 6: Final answer
    x = 144,148.28

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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.