Home / 299,518.02-449,152.20-121,904.46

Finding the Fourth Proportional to 299,518.02, 449,152.20 and 121,904.46

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Solution

The fourth proportional to 299,518.02, 449,152.20 and 121,904.46 is: 182,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,518.02 : 449,152.20 = 121,904.46 : x
  2. Step 2: Convert to fraction form
    299,518.02/449,152.20 = 121,904.46/x
  3. Step 3: Cross multiply
    299,518.02x = 449,152.20 × 121,904.46
  4. Step 4: Simplify right side
    299,518.02x = 54,753,656,398.81
  5. Step 5: Solve for x
    x = 54,753,656,398.81/299,518.02
  6. Step 6: Final answer
    x = 182,805.88

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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.