Home / 288,974.80-433,170.60-131,316.40

Finding the Fourth Proportional to 288,974.80, 433,170.60 and 131,316.40

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Solution

The fourth proportional to 288,974.80, 433,170.60 and 131,316.40 is: 196,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,974.80 : 433,170.60 = 131,316.40 : x
  2. Step 2: Convert to fraction form
    288,974.80/433,170.60 = 131,316.40/x
  3. Step 3: Cross multiply
    288,974.80x = 433,170.60 × 131,316.40
  4. Step 4: Simplify right side
    288,974.80x = 56,882,403,777.84
  5. Step 5: Solve for x
    x = 56,882,403,777.84/288,974.80
  6. Step 6: Final answer
    x = 196,842.09

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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.