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Finding the Fourth Proportional to 605,094, 908,055.72 and 211,110

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Solution

The fourth proportional to 605,094, 908,055.72 and 211,110 is: 316,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,094 : 908,055.72 = 211,110 : x
  2. Step 2: Convert to fraction form
    605,094/908,055.72 = 211,110/x
  3. Step 3: Cross multiply
    605,094x = 908,055.72 × 211,110
  4. Step 4: Simplify right side
    605,094x = 191,699,643,049.20
  5. Step 5: Solve for x
    x = 191,699,643,049.20/605,094
  6. Step 6: Final answer
    x = 316,809.69

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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.