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Finding the Fourth Proportional to 271,236.40, 374,328.41 and 150,415.59

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Solution

The fourth proportional to 271,236.40, 374,328.41 and 150,415.59 is: 207,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,236.40 : 374,328.41 = 150,415.59 : x
  2. Step 2: Convert to fraction form
    271,236.40/374,328.41 = 150,415.59/x
  3. Step 3: Cross multiply
    271,236.40x = 374,328.41 × 150,415.59
  4. Step 4: Simplify right side
    271,236.40x = 56,304,828,643.91
  5. Step 5: Solve for x
    x = 56,304,828,643.91/271,236.40
  6. Step 6: Final answer
    x = 207,585.81

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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.