Home / 492,535.91-738,845.78-155,486.40

Finding the Fourth Proportional to 492,535.91, 738,845.78 and 155,486.40

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Solution

The fourth proportional to 492,535.91, 738,845.78 and 155,486.40 is: 233,242.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,535.91 : 738,845.78 = 155,486.40 : x
  2. Step 2: Convert to fraction form
    492,535.91/738,845.78 = 155,486.40/x
  3. Step 3: Cross multiply
    492,535.91x = 738,845.78 × 155,486.40
  4. Step 4: Simplify right side
    492,535.91x = 114,880,469,709.96
  5. Step 5: Solve for x
    x = 114,880,469,709.96/492,535.91
  6. Step 6: Final answer
    x = 233,242.83

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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.