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Finding the Fourth Proportional to 438,105, 604,650.52 and 268,437.56

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Solution

The fourth proportional to 438,105, 604,650.52 and 268,437.56 is: 370,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,105 : 604,650.52 = 268,437.56 : x
  2. Step 2: Convert to fraction form
    438,105/604,650.52 = 268,437.56/x
  3. Step 3: Cross multiply
    438,105x = 604,650.52 × 268,437.56
  4. Step 4: Simplify right side
    438,105x = 162,310,910,241.53
  5. Step 5: Solve for x
    x = 162,310,910,241.53/438,105
  6. Step 6: Final answer
    x = 370,484.04

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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.