Home / 245,788.08-368,681.91-68,295

Finding the Fourth Proportional to 245,788.08, 368,681.91 and 68,295

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Solution

The fourth proportional to 245,788.08, 368,681.91 and 68,295 is: 102,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,788.08 : 368,681.91 = 68,295 : x
  2. Step 2: Convert to fraction form
    245,788.08/368,681.91 = 68,295/x
  3. Step 3: Cross multiply
    245,788.08x = 368,681.91 × 68,295
  4. Step 4: Simplify right side
    245,788.08x = 25,179,131,043.45
  5. Step 5: Solve for x
    x = 25,179,131,043.45/245,788.08
  6. Step 6: Final answer
    x = 102,442.44

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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.