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Finding the Fourth Proportional to 269,356.77, 371,705.52 and 148,495.26

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Solution

The fourth proportional to 269,356.77, 371,705.52 and 148,495.26 is: 204,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,356.77 : 371,705.52 = 148,495.26 : x
  2. Step 2: Convert to fraction form
    269,356.77/371,705.52 = 148,495.26/x
  3. Step 3: Cross multiply
    269,356.77x = 371,705.52 × 148,495.26
  4. Step 4: Simplify right side
    269,356.77x = 55,196,507,835.84
  5. Step 5: Solve for x
    x = 55,196,507,835.84/269,356.77
  6. Step 6: Final answer
    x = 204,919.70

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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.