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Finding the Fourth Proportional to 511,582.82, 767,140.95 and 245,468.66

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Solution

The fourth proportional to 511,582.82, 767,140.95 and 245,468.66 is: 368,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,582.82 : 767,140.95 = 245,468.66 : x
  2. Step 2: Convert to fraction form
    511,582.82/767,140.95 = 245,468.66/x
  3. Step 3: Cross multiply
    511,582.82x = 767,140.95 × 245,468.66
  4. Step 4: Simplify right side
    511,582.82x = 188,309,061,027.63
  5. Step 5: Solve for x
    x = 188,309,061,027.63/511,582.82
  6. Step 6: Final answer
    x = 368,091.06

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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.