Home / 375,588.22-518,312.19-205,822.78

Finding the Fourth Proportional to 375,588.22, 518,312.19 and 205,822.78

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Solution

The fourth proportional to 375,588.22, 518,312.19 and 205,822.78 is: 284,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,588.22 : 518,312.19 = 205,822.78 : x
  2. Step 2: Convert to fraction form
    375,588.22/518,312.19 = 205,822.78/x
  3. Step 3: Cross multiply
    375,588.22x = 518,312.19 × 205,822.78
  4. Step 4: Simplify right side
    375,588.22x = 106,680,455,853.69
  5. Step 5: Solve for x
    x = 106,680,455,853.69/375,588.22
  6. Step 6: Final answer
    x = 284,035.68

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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.