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Finding the Fourth Proportional to 511,803.82, 767,539.41 and 170,155.27

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Solution

The fourth proportional to 511,803.82, 767,539.41 and 170,155.27 is: 255,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,803.82 : 767,539.41 = 170,155.27 : x
  2. Step 2: Convert to fraction form
    511,803.82/767,539.41 = 170,155.27/x
  3. Step 3: Cross multiply
    511,803.82x = 767,539.41 × 170,155.27
  4. Step 4: Simplify right side
    511,803.82x = 130,600,875,544.19
  5. Step 5: Solve for x
    x = 130,600,875,544.19/511,803.82
  6. Step 6: Final answer
    x = 255,177.61

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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.