Home / 309,826.55-427,525.48-173,832.14

Finding the Fourth Proportional to 309,826.55, 427,525.48 and 173,832.14

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Solution

The fourth proportional to 309,826.55, 427,525.48 and 173,832.14 is: 239,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,826.55 : 427,525.48 = 173,832.14 : x
  2. Step 2: Convert to fraction form
    309,826.55/427,525.48 = 173,832.14/x
  3. Step 3: Cross multiply
    309,826.55x = 427,525.48 × 173,832.14
  4. Step 4: Simplify right side
    309,826.55x = 74,317,669,092.93
  5. Step 5: Solve for x
    x = 74,317,669,092.93/309,826.55
  6. Step 6: Final answer
    x = 239,868.63

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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.