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Finding the Fourth Proportional to 606,188.40, 908,101.62 and 368,942.64

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Solution

The fourth proportional to 606,188.40, 908,101.62 and 368,942.64 is: 552,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,188.40 : 908,101.62 = 368,942.64 : x
  2. Step 2: Convert to fraction form
    606,188.40/908,101.62 = 368,942.64/x
  3. Step 3: Cross multiply
    606,188.40x = 908,101.62 × 368,942.64
  4. Step 4: Simplify right side
    606,188.40x = 335,037,409,071.08
  5. Step 5: Solve for x
    x = 335,037,409,071.08/606,188.40
  6. Step 6: Final answer
    x = 552,695.18

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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.