Home / 402,005.33-554,768.46-220,729.02

Finding the Fourth Proportional to 402,005.33, 554,768.46 and 220,729.02

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Solution

The fourth proportional to 402,005.33, 554,768.46 and 220,729.02 is: 304,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,005.33 : 554,768.46 = 220,729.02 : x
  2. Step 2: Convert to fraction form
    402,005.33/554,768.46 = 220,729.02/x
  3. Step 3: Cross multiply
    402,005.33x = 554,768.46 × 220,729.02
  4. Step 4: Simplify right side
    402,005.33x = 122,453,496,422.33
  5. Step 5: Solve for x
    x = 122,453,496,422.33/402,005.33
  6. Step 6: Final answer
    x = 304,606.65

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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.