Home / 245,460.96-368,196-76,977.54

Finding the Fourth Proportional to 245,460.96, 368,196 and 76,977.54

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Solution

The fourth proportional to 245,460.96, 368,196 and 76,977.54 is: 115,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,460.96 : 368,196 = 76,977.54 : x
  2. Step 2: Convert to fraction form
    245,460.96/368,196 = 76,977.54/x
  3. Step 3: Cross multiply
    245,460.96x = 368,196 × 76,977.54
  4. Step 4: Simplify right side
    245,460.96x = 28,342,822,317.84
  5. Step 5: Solve for x
    x = 28,342,822,317.84/245,460.96
  6. Step 6: Final answer
    x = 115,467.74

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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.