Home / 289,170.32-433,775.76-89,464.42

Finding the Fourth Proportional to 289,170.32, 433,775.76 and 89,464.42

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Solution

The fourth proportional to 289,170.32, 433,775.76 and 89,464.42 is: 134,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,170.32 : 433,775.76 = 89,464.42 : x
  2. Step 2: Convert to fraction form
    289,170.32/433,775.76 = 89,464.42/x
  3. Step 3: Cross multiply
    289,170.32x = 433,775.76 × 89,464.42
  4. Step 4: Simplify right side
    289,170.32x = 38,807,496,778.46
  5. Step 5: Solve for x
    x = 38,807,496,778.46/289,170.32
  6. Step 6: Final answer
    x = 134,202.90

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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.