Home / 301,150.15-415,778.60-268,828.11

Finding the Fourth Proportional to 301,150.15, 415,778.60 and 268,828.11

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Solution

The fourth proportional to 301,150.15, 415,778.60 and 268,828.11 is: 371,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,150.15 : 415,778.60 = 268,828.11 : x
  2. Step 2: Convert to fraction form
    301,150.15/415,778.60 = 268,828.11/x
  3. Step 3: Cross multiply
    301,150.15x = 415,778.60 × 268,828.11
  4. Step 4: Simplify right side
    301,150.15x = 111,772,975,888.52
  5. Step 5: Solve for x
    x = 111,772,975,888.52/301,150.15
  6. Step 6: Final answer
    x = 371,153.65

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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.