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Finding the Fourth Proportional to 294,775.90, 442,249.98 and 95,091.88

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Solution

The fourth proportional to 294,775.90, 442,249.98 and 95,091.88 is: 142,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,775.90 : 442,249.98 = 95,091.88 : x
  2. Step 2: Convert to fraction form
    294,775.90/442,249.98 = 95,091.88/x
  3. Step 3: Cross multiply
    294,775.90x = 442,249.98 × 95,091.88
  4. Step 4: Simplify right side
    294,775.90x = 42,054,382,028.16
  5. Step 5: Solve for x
    x = 42,054,382,028.16/294,775.90
  6. Step 6: Final answer
    x = 142,665.60

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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.