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Finding the Fourth Proportional to 296,369.78, 409,026.93 and 220,787.06

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Solution

The fourth proportional to 296,369.78, 409,026.93 and 220,787.06 is: 304,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,369.78 : 409,026.93 = 220,787.06 : x
  2. Step 2: Convert to fraction form
    296,369.78/409,026.93 = 220,787.06/x
  3. Step 3: Cross multiply
    296,369.78x = 409,026.93 × 220,787.06
  4. Step 4: Simplify right side
    296,369.78x = 90,307,853,335.53
  5. Step 5: Solve for x
    x = 90,307,853,335.53/296,369.78
  6. Step 6: Final answer
    x = 304,713.43

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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.