Home / 374,837.37-517,342.17-221,960.43

Finding the Fourth Proportional to 374,837.37, 517,342.17 and 221,960.43

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Solution

The fourth proportional to 374,837.37, 517,342.17 and 221,960.43 is: 306,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,837.37 : 517,342.17 = 221,960.43 : x
  2. Step 2: Convert to fraction form
    374,837.37/517,342.17 = 221,960.43/x
  3. Step 3: Cross multiply
    374,837.37x = 517,342.17 × 221,960.43
  4. Step 4: Simplify right side
    374,837.37x = 114,829,490,510.33
  5. Step 5: Solve for x
    x = 114,829,490,510.33/374,837.37
  6. Step 6: Final answer
    x = 306,344.83

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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.