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Finding the Fourth Proportional to 269,347.16, 371,701.49 and 148,492.71

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Solution

The fourth proportional to 269,347.16, 371,701.49 and 148,492.71 is: 204,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,347.16 : 371,701.49 = 148,492.71 : x
  2. Step 2: Convert to fraction form
    269,347.16/371,701.49 = 148,492.71/x
  3. Step 3: Cross multiply
    269,347.16x = 371,701.49 × 148,492.71
  4. Step 4: Simplify right side
    269,347.16x = 55,194,960,818.67
  5. Step 5: Solve for x
    x = 55,194,960,818.67/269,347.16
  6. Step 6: Final answer
    x = 204,921.26

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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.