Home / 299,764.20-449,574.30-173,130.60

Finding the Fourth Proportional to 299,764.20, 449,574.30 and 173,130.60

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Solution

The fourth proportional to 299,764.20, 449,574.30 and 173,130.60 is: 259,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,764.20 : 449,574.30 = 173,130.60 : x
  2. Step 2: Convert to fraction form
    299,764.20/449,574.30 = 173,130.60/x
  3. Step 3: Cross multiply
    299,764.20x = 449,574.30 × 173,130.60
  4. Step 4: Simplify right side
    299,764.20x = 77,835,068,303.58
  5. Step 5: Solve for x
    x = 77,835,068,303.58/299,764.20
  6. Step 6: Final answer
    x = 259,654.32

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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.