Home / 297,284.15-445,994.34-128,832.75

Finding the Fourth Proportional to 297,284.15, 445,994.34 and 128,832.75

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Solution

The fourth proportional to 297,284.15, 445,994.34 and 128,832.75 is: 193,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,284.15 : 445,994.34 = 128,832.75 : x
  2. Step 2: Convert to fraction form
    297,284.15/445,994.34 = 128,832.75/x
  3. Step 3: Cross multiply
    297,284.15x = 445,994.34 × 128,832.75
  4. Step 4: Simplify right side
    297,284.15x = 57,458,677,306.64
  5. Step 5: Solve for x
    x = 57,458,677,306.64/297,284.15
  6. Step 6: Final answer
    x = 193,278.64

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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.