Home / 402,204.48-555,046.74-220,920.66

Finding the Fourth Proportional to 402,204.48, 555,046.74 and 220,920.66

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Solution

The fourth proportional to 402,204.48, 555,046.74 and 220,920.66 is: 304,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,204.48 : 555,046.74 = 220,920.66 : x
  2. Step 2: Convert to fraction form
    402,204.48/555,046.74 = 220,920.66/x
  3. Step 3: Cross multiply
    402,204.48x = 555,046.74 × 220,920.66
  4. Step 4: Simplify right side
    402,204.48x = 122,621,292,131.65
  5. Step 5: Solve for x
    x = 122,621,292,131.65/402,204.48
  6. Step 6: Final answer
    x = 304,873.01

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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.