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Finding the Fourth Proportional to 465,950.80, 699,444.60 and 255,998.80

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Solution

The fourth proportional to 465,950.80, 699,444.60 and 255,998.80 is: 384,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,950.80 : 699,444.60 = 255,998.80 : x
  2. Step 2: Convert to fraction form
    465,950.80/699,444.60 = 255,998.80/x
  3. Step 3: Cross multiply
    465,950.80x = 699,444.60 × 255,998.80
  4. Step 4: Simplify right side
    465,950.80x = 179,056,978,266.48
  5. Step 5: Solve for x
    x = 179,056,978,266.48/465,950.80
  6. Step 6: Final answer
    x = 384,283.02

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1.5x scale

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.