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Finding the Fourth Proportional to 296,797.84, 409,642.84 and 272,886.64

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Solution

The fourth proportional to 296,797.84, 409,642.84 and 272,886.64 is: 376,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,797.84 : 409,642.84 = 272,886.64 : x
  2. Step 2: Convert to fraction form
    296,797.84/409,642.84 = 272,886.64/x
  3. Step 3: Cross multiply
    296,797.84x = 409,642.84 × 272,886.64
  4. Step 4: Simplify right side
    296,797.84x = 111,786,058,207.66
  5. Step 5: Solve for x
    x = 111,786,058,207.66/296,797.84
  6. Step 6: Final answer
    x = 376,640.40

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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.