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Finding the Fourth Proportional to 269,275.29, 371,596.82 and 152,987.94

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Solution

The fourth proportional to 269,275.29, 371,596.82 and 152,987.94 is: 211,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,275.29 : 371,596.82 = 152,987.94 : x
  2. Step 2: Convert to fraction form
    269,275.29/371,596.82 = 152,987.94/x
  3. Step 3: Cross multiply
    269,275.29x = 371,596.82 × 152,987.94
  4. Step 4: Simplify right side
    269,275.29x = 56,849,831,237.41
  5. Step 5: Solve for x
    x = 56,849,831,237.41/269,275.29
  6. Step 6: Final answer
    x = 211,121.61

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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.