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Finding the Fourth Proportional to 224,805.09, 310,227.39 and 122,828.37

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Solution

The fourth proportional to 224,805.09, 310,227.39 and 122,828.37 is: 169,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,805.09 : 310,227.39 = 122,828.37 : x
  2. Step 2: Convert to fraction form
    224,805.09/310,227.39 = 122,828.37/x
  3. Step 3: Cross multiply
    224,805.09x = 310,227.39 × 122,828.37
  4. Step 4: Simplify right side
    224,805.09x = 38,104,724,643.05
  5. Step 5: Solve for x
    x = 38,104,724,643.05/224,805.09
  6. Step 6: Final answer
    x = 169,501.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.