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Finding the Fourth Proportional to 438,093, 604,633.95 and 268,425.54

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Solution

The fourth proportional to 438,093, 604,633.95 and 268,425.54 is: 370,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,093 : 604,633.95 = 268,425.54 : x
  2. Step 2: Convert to fraction form
    438,093/604,633.95 = 268,425.54/x
  3. Step 3: Cross multiply
    438,093x = 604,633.95 × 268,425.54
  4. Step 4: Simplify right side
    438,093x = 162,299,194,531.08
  5. Step 5: Solve for x
    x = 162,299,194,531.08/438,093
  6. Step 6: Final answer
    x = 370,467.45

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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.