Home / 212,800.96-318,260.28-189,273.57

Finding the Fourth Proportional to 212,800.96, 318,260.28 and 189,273.57

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Solution

The fourth proportional to 212,800.96, 318,260.28 and 189,273.57 is: 283,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,800.96 : 318,260.28 = 189,273.57 : x
  2. Step 2: Convert to fraction form
    212,800.96/318,260.28 = 189,273.57/x
  3. Step 3: Cross multiply
    212,800.96x = 318,260.28 × 189,273.57
  4. Step 4: Simplify right side
    212,800.96x = 60,238,259,384.80
  5. Step 5: Solve for x
    x = 60,238,259,384.80/212,800.96
  6. Step 6: Final answer
    x = 283,073.25

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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.