Home / 271,551.42-407,206.85-145,161.05

Finding the Fourth Proportional to 271,551.42, 407,206.85 and 145,161.05

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Solution

The fourth proportional to 271,551.42, 407,206.85 and 145,161.05 is: 217,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,551.42 : 407,206.85 = 145,161.05 : x
  2. Step 2: Convert to fraction form
    271,551.42/407,206.85 = 145,161.05/x
  3. Step 3: Cross multiply
    271,551.42x = 407,206.85 × 145,161.05
  4. Step 4: Simplify right side
    271,551.42x = 59,110,571,151.35
  5. Step 5: Solve for x
    x = 59,110,571,151.35/271,551.42
  6. Step 6: Final answer
    x = 217,677.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.