Home / 300,832.18-415,148.25-179,978.38

Finding the Fourth Proportional to 300,832.18, 415,148.25 and 179,978.38

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Solution

The fourth proportional to 300,832.18, 415,148.25 and 179,978.38 is: 248,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,832.18 : 415,148.25 = 179,978.38 : x
  2. Step 2: Convert to fraction form
    300,832.18/415,148.25 = 179,978.38/x
  3. Step 3: Cross multiply
    300,832.18x = 415,148.25 × 179,978.38
  4. Step 4: Simplify right side
    300,832.18x = 74,717,709,494.84
  5. Step 5: Solve for x
    x = 74,717,709,494.84/300,832.18
  6. Step 6: Final answer
    x = 248,370.07

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1.5x scale

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.