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Finding the Fourth Proportional to 219,865, 303,379.14 and 124,341.16

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Solution

The fourth proportional to 219,865, 303,379.14 and 124,341.16 is: 171,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,865 : 303,379.14 = 124,341.16 : x
  2. Step 2: Convert to fraction form
    219,865/303,379.14 = 124,341.16/x
  3. Step 3: Cross multiply
    219,865x = 303,379.14 × 124,341.16
  4. Step 4: Simplify right side
    219,865x = 37,722,514,187.40
  5. Step 5: Solve for x
    x = 37,722,514,187.40/219,865
  6. Step 6: Final answer
    x = 171,571.26

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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.