Home / 212,933.40-319,400.10-174,879.60

Finding the Fourth Proportional to 212,933.40, 319,400.10 and 174,879.60

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Solution

The fourth proportional to 212,933.40, 319,400.10 and 174,879.60 is: 262,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,933.40 : 319,400.10 = 174,879.60 : x
  2. Step 2: Convert to fraction form
    212,933.40/319,400.10 = 174,879.60/x
  3. Step 3: Cross multiply
    212,933.40x = 319,400.10 × 174,879.60
  4. Step 4: Simplify right side
    212,933.40x = 55,856,561,727.96
  5. Step 5: Solve for x
    x = 55,856,561,727.96/212,933.40
  6. Step 6: Final answer
    x = 262,319.40

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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.