Home / 386,761.27-533,722.29-214,669.21

Finding the Fourth Proportional to 386,761.27, 533,722.29 and 214,669.21

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Solution

The fourth proportional to 386,761.27, 533,722.29 and 214,669.21 is: 296,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,761.27 : 533,722.29 = 214,669.21 : x
  2. Step 2: Convert to fraction form
    386,761.27/533,722.29 = 214,669.21/x
  3. Step 3: Cross multiply
    386,761.27x = 533,722.29 × 214,669.21
  4. Step 4: Simplify right side
    386,761.27x = 114,573,742,353.69
  5. Step 5: Solve for x
    x = 114,573,742,353.69/386,761.27
  6. Step 6: Final answer
    x = 296,238.92

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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.