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Finding the Fourth Proportional to 269,394.42, 371,762.55 and 146,886.78

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Solution

The fourth proportional to 269,394.42, 371,762.55 and 146,886.78 is: 202,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,394.42 : 371,762.55 = 146,886.78 : x
  2. Step 2: Convert to fraction form
    269,394.42/371,762.55 = 146,886.78/x
  3. Step 3: Cross multiply
    269,394.42x = 371,762.55 × 146,886.78
  4. Step 4: Simplify right side
    269,394.42x = 54,607,003,894.09
  5. Step 5: Solve for x
    x = 54,607,003,894.09/269,394.42
  6. Step 6: Final answer
    x = 202,702.80

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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.