Home / 288,998.10-433,367.55-131,145.30

Finding the Fourth Proportional to 288,998.10, 433,367.55 and 131,145.30

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Solution

The fourth proportional to 288,998.10, 433,367.55 and 131,145.30 is: 196,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,998.10 : 433,367.55 = 131,145.30 : x
  2. Step 2: Convert to fraction form
    288,998.10/433,367.55 = 131,145.30/x
  3. Step 3: Cross multiply
    288,998.10x = 433,367.55 × 131,145.30
  4. Step 4: Simplify right side
    288,998.10x = 56,834,117,355.02
  5. Step 5: Solve for x
    x = 56,834,117,355.02/288,998.10
  6. Step 6: Final answer
    x = 196,659.14

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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.