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Finding the Fourth Proportional to 271,464.72, 374,621.40 and 152,232.72

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Solution

The fourth proportional to 271,464.72, 374,621.40 and 152,232.72 is: 210,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,464.72 : 374,621.40 = 152,232.72 : x
  2. Step 2: Convert to fraction form
    271,464.72/374,621.40 = 152,232.72/x
  3. Step 3: Cross multiply
    271,464.72x = 374,621.40 × 152,232.72
  4. Step 4: Simplify right side
    271,464.72x = 57,029,634,692.21
  5. Step 5: Solve for x
    x = 57,029,634,692.21/271,464.72
  6. Step 6: Final answer
    x = 210,081.20

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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.