Home / 451,428.86-677,136.54-109,873.46

Finding the Fourth Proportional to 451,428.86, 677,136.54 and 109,873.46

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Solution

The fourth proportional to 451,428.86, 677,136.54 and 109,873.46 is: 164,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,428.86 : 677,136.54 = 109,873.46 : x
  2. Step 2: Convert to fraction form
    451,428.86/677,136.54 = 109,873.46/x
  3. Step 3: Cross multiply
    451,428.86x = 677,136.54 × 109,873.46
  4. Step 4: Simplify right side
    451,428.86x = 74,399,334,542.23
  5. Step 5: Solve for x
    x = 74,399,334,542.23/451,428.86
  6. Step 6: Final answer
    x = 164,808.55

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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.