Home / 338,822.72-508,238.03-102,167.45

Finding the Fourth Proportional to 338,822.72, 508,238.03 and 102,167.45

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Solution

The fourth proportional to 338,822.72, 508,238.03 and 102,167.45 is: 153,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,822.72 : 508,238.03 = 102,167.45 : x
  2. Step 2: Convert to fraction form
    338,822.72/508,238.03 = 102,167.45/x
  3. Step 3: Cross multiply
    338,822.72x = 508,238.03 × 102,167.45
  4. Step 4: Simplify right side
    338,822.72x = 51,925,383,518.12
  5. Step 5: Solve for x
    x = 51,925,383,518.12/338,822.72
  6. Step 6: Final answer
    x = 153,252.37

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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.