Home / 245,153.21-338,174.91-227,814

Finding the Fourth Proportional to 245,153.21, 338,174.91 and 227,814

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Solution

The fourth proportional to 245,153.21, 338,174.91 and 227,814 is: 314,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,153.21 : 338,174.91 = 227,814 : x
  2. Step 2: Convert to fraction form
    245,153.21/338,174.91 = 227,814/x
  3. Step 3: Cross multiply
    245,153.21x = 338,174.91 × 227,814
  4. Step 4: Simplify right side
    245,153.21x = 77,040,978,946.74
  5. Step 5: Solve for x
    x = 77,040,978,946.74/245,153.21
  6. Step 6: Final answer
    x = 314,256.46

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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.