Home / 422,721.03-583,352.88-229,127.96

Finding the Fourth Proportional to 422,721.03, 583,352.88 and 229,127.96

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Solution

The fourth proportional to 422,721.03, 583,352.88 and 229,127.96 is: 316,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,721.03 : 583,352.88 = 229,127.96 : x
  2. Step 2: Convert to fraction form
    422,721.03/583,352.88 = 229,127.96/x
  3. Step 3: Cross multiply
    422,721.03x = 583,352.88 × 229,127.96
  4. Step 4: Simplify right side
    422,721.03x = 133,662,455,927.35
  5. Step 5: Solve for x
    x = 133,662,455,927.35/422,721.03
  6. Step 6: Final answer
    x = 316,195.43

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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.