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Finding the Fourth Proportional to 437,018.95, 656,141.74 and 223,939.97

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Solution

The fourth proportional to 437,018.95, 656,141.74 and 223,939.97 is: 336,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,018.95 : 656,141.74 = 223,939.97 : x
  2. Step 2: Convert to fraction form
    437,018.95/656,141.74 = 223,939.97/x
  3. Step 3: Cross multiply
    437,018.95x = 656,141.74 × 223,939.97
  4. Step 4: Simplify right side
    437,018.95x = 146,936,358,975.75
  5. Step 5: Solve for x
    x = 146,936,358,975.75/437,018.95
  6. Step 6: Final answer
    x = 336,224.23

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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.