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Finding the Fourth Proportional to 338,654.61, 467,659.74 and 218,005.59

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Solution

The fourth proportional to 338,654.61, 467,659.74 and 218,005.59 is: 301,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,654.61 : 467,659.74 = 218,005.59 : x
  2. Step 2: Convert to fraction form
    338,654.61/467,659.74 = 218,005.59/x
  3. Step 3: Cross multiply
    338,654.61x = 467,659.74 × 218,005.59
  4. Step 4: Simplify right side
    338,654.61x = 101,952,437,537.95
  5. Step 5: Solve for x
    x = 101,952,437,537.95/338,654.61
  6. Step 6: Final answer
    x = 301,051.38

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1.5x scale

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.