Home / 289,626.24-434,499.84-89,941.44

Finding the Fourth Proportional to 289,626.24, 434,499.84 and 89,941.44

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Solution

The fourth proportional to 289,626.24, 434,499.84 and 89,941.44 is: 134,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,626.24 : 434,499.84 = 89,941.44 : x
  2. Step 2: Convert to fraction form
    289,626.24/434,499.84 = 89,941.44/x
  3. Step 3: Cross multiply
    289,626.24x = 434,499.84 × 89,941.44
  4. Step 4: Simplify right side
    289,626.24x = 39,079,541,289.37
  5. Step 5: Solve for x
    x = 39,079,541,289.37/289,626.24
  6. Step 6: Final answer
    x = 134,930.94

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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.