Home / 245,385.33-368,078.22-76,918.83

Finding the Fourth Proportional to 245,385.33, 368,078.22 and 76,918.83

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Solution

The fourth proportional to 245,385.33, 368,078.22 and 76,918.83 is: 115,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,385.33 : 368,078.22 = 76,918.83 : x
  2. Step 2: Convert to fraction form
    245,385.33/368,078.22 = 76,918.83/x
  3. Step 3: Cross multiply
    245,385.33x = 368,078.22 × 76,918.83
  4. Step 4: Simplify right side
    245,385.33x = 28,312,146,030.88
  5. Step 5: Solve for x
    x = 28,312,146,030.88/245,385.33
  6. Step 6: Final answer
    x = 115,378.32

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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.