Home / 245,918.04-368,890.13-77,451.54

Finding the Fourth Proportional to 245,918.04, 368,890.13 and 77,451.54

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Solution

The fourth proportional to 245,918.04, 368,890.13 and 77,451.54 is: 116,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,918.04 : 368,890.13 = 77,451.54 : x
  2. Step 2: Convert to fraction form
    245,918.04/368,890.13 = 77,451.54/x
  3. Step 3: Cross multiply
    245,918.04x = 368,890.13 × 77,451.54
  4. Step 4: Simplify right side
    245,918.04x = 28,571,108,659.30
  5. Step 5: Solve for x
    x = 28,571,108,659.30/245,918.04
  6. Step 6: Final answer
    x = 116,181.43

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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.