Home / 289,035.80-433,262.10-131,377.40

Finding the Fourth Proportional to 289,035.80, 433,262.10 and 131,377.40

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Solution

The fourth proportional to 289,035.80, 433,262.10 and 131,377.40 is: 196,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,035.80 : 433,262.10 = 131,377.40 : x
  2. Step 2: Convert to fraction form
    289,035.80/433,262.10 = 131,377.40/x
  3. Step 3: Cross multiply
    289,035.80x = 433,262.10 × 131,377.40
  4. Step 4: Simplify right side
    289,035.80x = 56,920,848,216.54
  5. Step 5: Solve for x
    x = 56,920,848,216.54/289,035.80
  6. Step 6: Final answer
    x = 196,933.56

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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.