Home / 229,640.28-317,058.22-205,365.92

Finding the Fourth Proportional to 229,640.28, 317,058.22 and 205,365.92

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Solution

The fourth proportional to 229,640.28, 317,058.22 and 205,365.92 is: 283,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,640.28 : 317,058.22 = 205,365.92 : x
  2. Step 2: Convert to fraction form
    229,640.28/317,058.22 = 205,365.92/x
  3. Step 3: Cross multiply
    229,640.28x = 317,058.22 × 205,365.92
  4. Step 4: Simplify right side
    229,640.28x = 65,112,953,043.86
  5. Step 5: Solve for x
    x = 65,112,953,043.86/229,640.28
  6. Step 6: Final answer
    x = 283,543.26

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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.