Home / 212,848.80-319,273.20-195,645.60

Finding the Fourth Proportional to 212,848.80, 319,273.20 and 195,645.60

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Solution

The fourth proportional to 212,848.80, 319,273.20 and 195,645.60 is: 293,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,848.80 : 319,273.20 = 195,645.60 : x
  2. Step 2: Convert to fraction form
    212,848.80/319,273.20 = 195,645.60/x
  3. Step 3: Cross multiply
    212,848.80x = 319,273.20 × 195,645.60
  4. Step 4: Simplify right side
    212,848.80x = 62,464,396,777.92
  5. Step 5: Solve for x
    x = 62,464,396,777.92/212,848.80
  6. Step 6: Final answer
    x = 293,468.40

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1.5x scale

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.