Home / 271,245.81-374,313.42-156,515.45

Finding the Fourth Proportional to 271,245.81, 374,313.42 and 156,515.45

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Solution

The fourth proportional to 271,245.81, 374,313.42 and 156,515.45 is: 215,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,245.81 : 374,313.42 = 156,515.45 : x
  2. Step 2: Convert to fraction form
    271,245.81/374,313.42 = 156,515.45/x
  3. Step 3: Cross multiply
    271,245.81x = 374,313.42 × 156,515.45
  4. Step 4: Simplify right side
    271,245.81x = 58,585,833,372.34
  5. Step 5: Solve for x
    x = 58,585,833,372.34/271,245.81
  6. Step 6: Final answer
    x = 215,987.98

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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.