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Finding the Fourth Proportional to 271,387.80, 374,270.10 and 169,422.64

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Solution

The fourth proportional to 271,387.80, 374,270.10 and 169,422.64 is: 233,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,387.80 : 374,270.10 = 169,422.64 : x
  2. Step 2: Convert to fraction form
    271,387.80/374,270.10 = 169,422.64/x
  3. Step 3: Cross multiply
    271,387.80x = 374,270.10 × 169,422.64
  4. Step 4: Simplify right side
    271,387.80x = 63,409,828,415.06
  5. Step 5: Solve for x
    x = 63,409,828,415.06/271,387.80
  6. Step 6: Final answer
    x = 233,650.25

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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.