Home / 375,664.71-563,318.69-217,941.51

Finding the Fourth Proportional to 375,664.71, 563,318.69 and 217,941.51

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Solution

The fourth proportional to 375,664.71, 563,318.69 and 217,941.51 is: 326,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,664.71 : 563,318.69 = 217,941.51 : x
  2. Step 2: Convert to fraction form
    375,664.71/563,318.69 = 217,941.51/x
  3. Step 3: Cross multiply
    375,664.71x = 563,318.69 × 217,941.51
  4. Step 4: Simplify right side
    375,664.71x = 122,770,524,820.11
  5. Step 5: Solve for x
    x = 122,770,524,820.11/375,664.71
  6. Step 6: Final answer
    x = 326,808.78

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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.