Home / 289,214.20-433,821.30-131,750.20

Finding the Fourth Proportional to 289,214.20, 433,821.30 and 131,750.20

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Solution

The fourth proportional to 289,214.20, 433,821.30 and 131,750.20 is: 197,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,214.20 : 433,821.30 = 131,750.20 : x
  2. Step 2: Convert to fraction form
    289,214.20/433,821.30 = 131,750.20/x
  3. Step 3: Cross multiply
    289,214.20x = 433,821.30 × 131,750.20
  4. Step 4: Simplify right side
    289,214.20x = 57,156,043,039.26
  5. Step 5: Solve for x
    x = 57,156,043,039.26/289,214.20
  6. Step 6: Final answer
    x = 197,625.30

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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.