Home / 456,119.66-629,340.50-272,322.42

Finding the Fourth Proportional to 456,119.66, 629,340.50 and 272,322.42

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Solution

The fourth proportional to 456,119.66, 629,340.50 and 272,322.42 is: 375,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,119.66 : 629,340.50 = 272,322.42 : x
  2. Step 2: Convert to fraction form
    456,119.66/629,340.50 = 272,322.42/x
  3. Step 3: Cross multiply
    456,119.66x = 629,340.50 × 272,322.42
  4. Step 4: Simplify right side
    456,119.66x = 171,383,527,964.01
  5. Step 5: Solve for x
    x = 171,383,527,964.01/456,119.66
  6. Step 6: Final answer
    x = 375,742.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.