Home / 445,925.90-615,487.07-273,885.09

Finding the Fourth Proportional to 445,925.90, 615,487.07 and 273,885.09

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Solution

The fourth proportional to 445,925.90, 615,487.07 and 273,885.09 is: 378,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,925.90 : 615,487.07 = 273,885.09 : x
  2. Step 2: Convert to fraction form
    445,925.90/615,487.07 = 273,885.09/x
  3. Step 3: Cross multiply
    445,925.90x = 615,487.07 × 273,885.09
  4. Step 4: Simplify right side
    445,925.90x = 168,572,728,910.35
  5. Step 5: Solve for x
    x = 168,572,728,910.35/445,925.90
  6. Step 6: Final answer
    x = 378,028.57

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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.