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Finding the Fourth Proportional to 299,990.80, 450,101.40 and 295,267.60

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Solution

The fourth proportional to 299,990.80, 450,101.40 and 295,267.60 is: 443,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,990.80 : 450,101.40 = 295,267.60 : x
  2. Step 2: Convert to fraction form
    299,990.80/450,101.40 = 295,267.60/x
  3. Step 3: Cross multiply
    299,990.80x = 450,101.40 × 295,267.60
  4. Step 4: Simplify right side
    299,990.80x = 132,900,360,134.64
  5. Step 5: Solve for x
    x = 132,900,360,134.64/299,990.80
  6. Step 6: Final answer
    x = 443,014.79

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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.