Home / 328,943.72-493,260.03-151,398.20

Finding the Fourth Proportional to 328,943.72, 493,260.03 and 151,398.20

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Solution

The fourth proportional to 328,943.72, 493,260.03 and 151,398.20 is: 227,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,943.72 : 493,260.03 = 151,398.20 : x
  2. Step 2: Convert to fraction form
    328,943.72/493,260.03 = 151,398.20/x
  3. Step 3: Cross multiply
    328,943.72x = 493,260.03 × 151,398.20
  4. Step 4: Simplify right side
    328,943.72x = 74,678,681,907.10
  5. Step 5: Solve for x
    x = 74,678,681,907.10/328,943.72
  6. Step 6: Final answer
    x = 227,025.71

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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.