Home / 402,273.14-555,146.26-220,996.35

Finding the Fourth Proportional to 402,273.14, 555,146.26 and 220,996.35

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Solution

The fourth proportional to 402,273.14, 555,146.26 and 220,996.35 is: 304,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,273.14 : 555,146.26 = 220,996.35 : x
  2. Step 2: Convert to fraction form
    402,273.14/555,146.26 = 220,996.35/x
  3. Step 3: Cross multiply
    402,273.14x = 555,146.26 × 220,996.35
  4. Step 4: Simplify right side
    402,273.14x = 122,685,296,623.66
  5. Step 5: Solve for x
    x = 122,685,296,623.66/402,273.14
  6. Step 6: Final answer
    x = 304,980.09

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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.