Home / 297,284.23-445,994.45-128,832.83

Finding the Fourth Proportional to 297,284.23, 445,994.45 and 128,832.83

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Solution

The fourth proportional to 297,284.23, 445,994.45 and 128,832.83 is: 193,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,284.23 : 445,994.45 = 128,832.83 : x
  2. Step 2: Convert to fraction form
    297,284.23/445,994.45 = 128,832.83/x
  3. Step 3: Cross multiply
    297,284.23x = 445,994.45 × 128,832.83
  4. Step 4: Simplify right side
    297,284.23x = 57,458,727,163.94
  5. Step 5: Solve for x
    x = 57,458,727,163.94/297,284.23
  6. Step 6: Final answer
    x = 193,278.76

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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.