Home / 492,467.81-738,724.35-150,886.78

Finding the Fourth Proportional to 492,467.81, 738,724.35 and 150,886.78

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Solution

The fourth proportional to 492,467.81, 738,724.35 and 150,886.78 is: 226,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,467.81 : 738,724.35 = 150,886.78 : x
  2. Step 2: Convert to fraction form
    492,467.81/738,724.35 = 150,886.78/x
  3. Step 3: Cross multiply
    492,467.81x = 738,724.35 × 150,886.78
  4. Step 4: Simplify right side
    492,467.81x = 111,463,738,479.09
  5. Step 5: Solve for x
    x = 111,463,738,479.09/492,467.81
  6. Step 6: Final answer
    x = 226,337.11

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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.