Home / 467,018.26-644,501.04-276,195.22

Finding the Fourth Proportional to 467,018.26, 644,501.04 and 276,195.22

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Solution

The fourth proportional to 467,018.26, 644,501.04 and 276,195.22 is: 381,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,018.26 : 644,501.04 = 276,195.22 : x
  2. Step 2: Convert to fraction form
    467,018.26/644,501.04 = 276,195.22/x
  3. Step 3: Cross multiply
    467,018.26x = 644,501.04 × 276,195.22
  4. Step 4: Simplify right side
    467,018.26x = 178,008,106,533.03
  5. Step 5: Solve for x
    x = 178,008,106,533.03/467,018.26
  6. Step 6: Final answer
    x = 381,158.77

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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.