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Finding the Fourth Proportional to 269,674.40, 372,143.81 and 148,814.10

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Solution

The fourth proportional to 269,674.40, 372,143.81 and 148,814.10 is: 205,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,674.40 : 372,143.81 = 148,814.10 : x
  2. Step 2: Convert to fraction form
    269,674.40/372,143.81 = 148,814.10/x
  3. Step 3: Cross multiply
    269,674.40x = 372,143.81 × 148,814.10
  4. Step 4: Simplify right side
    269,674.40x = 55,380,245,411.65
  5. Step 5: Solve for x
    x = 55,380,245,411.65/269,674.40
  6. Step 6: Final answer
    x = 205,359.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.