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Finding the Fourth Proportional to 298,860.72, 412,427.96 and 169,799.44

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Solution

The fourth proportional to 298,860.72, 412,427.96 and 169,799.44 is: 234,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,860.72 : 412,427.96 = 169,799.44 : x
  2. Step 2: Convert to fraction form
    298,860.72/412,427.96 = 169,799.44/x
  3. Step 3: Cross multiply
    298,860.72x = 412,427.96 × 169,799.44
  4. Step 4: Simplify right side
    298,860.72x = 70,030,036,648.34
  5. Step 5: Solve for x
    x = 70,030,036,648.34/298,860.72
  6. Step 6: Final answer
    x = 234,323.32

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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.