Home / 288,972.60-433,329.30-131,119.80

Finding the Fourth Proportional to 288,972.60, 433,329.30 and 131,119.80

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Solution

The fourth proportional to 288,972.60, 433,329.30 and 131,119.80 is: 196,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,972.60 : 433,329.30 = 131,119.80 : x
  2. Step 2: Convert to fraction form
    288,972.60/433,329.30 = 131,119.80/x
  3. Step 3: Cross multiply
    288,972.60x = 433,329.30 × 131,119.80
  4. Step 4: Simplify right side
    288,972.60x = 56,818,051,150.14
  5. Step 5: Solve for x
    x = 56,818,051,150.14/288,972.60
  6. Step 6: Final answer
    x = 196,620.89

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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.