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Finding the Fourth Proportional to 338,380.14, 507,850.59 and 169,948.68

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Solution

The fourth proportional to 338,380.14, 507,850.59 and 169,948.68 is: 255,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,380.14 : 507,850.59 = 169,948.68 : x
  2. Step 2: Convert to fraction form
    338,380.14/507,850.59 = 169,948.68/x
  3. Step 3: Cross multiply
    338,380.14x = 507,850.59 × 169,948.68
  4. Step 4: Simplify right side
    338,380.14x = 86,308,534,018.72
  5. Step 5: Solve for x
    x = 86,308,534,018.72/338,380.14
  6. Step 6: Final answer
    x = 255,063.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.