Home / 305,983.17-459,159.44-217,968.57

Finding the Fourth Proportional to 305,983.17, 459,159.44 and 217,968.57

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Solution

The fourth proportional to 305,983.17, 459,159.44 and 217,968.57 is: 327,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,983.17 : 459,159.44 = 217,968.57 : x
  2. Step 2: Convert to fraction form
    305,983.17/459,159.44 = 217,968.57/x
  3. Step 3: Cross multiply
    305,983.17x = 459,159.44 × 217,968.57
  4. Step 4: Simplify right side
    305,983.17x = 100,082,325,448.96
  5. Step 5: Solve for x
    x = 100,082,325,448.96/305,983.17
  6. Step 6: Final answer
    x = 327,084.41

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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.