Home / 289,087.38-433,617.71-75,850.02

Finding the Fourth Proportional to 289,087.38, 433,617.71 and 75,850.02

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Solution

The fourth proportional to 289,087.38, 433,617.71 and 75,850.02 is: 113,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,087.38 : 433,617.71 = 75,850.02 : x
  2. Step 2: Convert to fraction form
    289,087.38/433,617.71 = 75,850.02/x
  3. Step 3: Cross multiply
    289,087.38x = 433,617.71 × 75,850.02
  4. Step 4: Simplify right side
    289,087.38x = 32,889,911,596.60
  5. Step 5: Solve for x
    x = 32,889,911,596.60/289,087.38
  6. Step 6: Final answer
    x = 113,771.52

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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.