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Finding the Fourth Proportional to 269,257.90, 371,590.52 and 154,535.63

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Solution

The fourth proportional to 269,257.90, 371,590.52 and 154,535.63 is: 213,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,257.90 : 371,590.52 = 154,535.63 : x
  2. Step 2: Convert to fraction form
    269,257.90/371,590.52 = 154,535.63/x
  3. Step 3: Cross multiply
    269,257.90x = 371,590.52 × 154,535.63
  4. Step 4: Simplify right side
    269,257.90x = 57,423,972,479.60
  5. Step 5: Solve for x
    x = 57,423,972,479.60/269,257.90
  6. Step 6: Final answer
    x = 213,267.55

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1.5x scale

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.