Home / 299,466.40-448,811.12-121,766.56

Finding the Fourth Proportional to 299,466.40, 448,811.12 and 121,766.56

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Solution

The fourth proportional to 299,466.40, 448,811.12 and 121,766.56 is: 182,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,466.40 : 448,811.12 = 121,766.56 : x
  2. Step 2: Convert to fraction form
    299,466.40/448,811.12 = 121,766.56/x
  3. Step 3: Cross multiply
    299,466.40x = 448,811.12 × 121,766.56
  4. Step 4: Simplify right side
    299,466.40x = 54,650,186,172.15
  5. Step 5: Solve for x
    x = 54,650,186,172.15/299,466.40
  6. Step 6: Final answer
    x = 182,491.88

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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.