Home / 668,740.50-1,003,169.07-170,104.50

Finding the Fourth Proportional to 668,740.50, 1,003,169.07 and 170,104.50

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Solution

The fourth proportional to 668,740.50, 1,003,169.07 and 170,104.50 is: 255,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,740.50 : 1,003,169.07 = 170,104.50 : x
  2. Step 2: Convert to fraction form
    668,740.50/1,003,169.07 = 170,104.50/x
  3. Step 3: Cross multiply
    668,740.50x = 1,003,169.07 × 170,104.50
  4. Step 4: Simplify right side
    668,740.50x = 170,643,573,067.82
  5. Step 5: Solve for x
    x = 170,643,573,067.82/668,740.50
  6. Step 6: Final answer
    x = 255,171.58

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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.