Home / 374,746.20-517,004.49-238,755.79

Finding the Fourth Proportional to 374,746.20, 517,004.49 and 238,755.79

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Solution

The fourth proportional to 374,746.20, 517,004.49 and 238,755.79 is: 329,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,746.20 : 517,004.49 = 238,755.79 : x
  2. Step 2: Convert to fraction form
    374,746.20/517,004.49 = 238,755.79/x
  3. Step 3: Cross multiply
    374,746.20x = 517,004.49 × 238,755.79
  4. Step 4: Simplify right side
    374,746.20x = 123,437,815,443.50
  5. Step 5: Solve for x
    x = 123,437,815,443.50/374,746.20
  6. Step 6: Final answer
    x = 329,390.44

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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.