Home / 271,423.48-406,720.04-145,081.72

Finding the Fourth Proportional to 271,423.48, 406,720.04 and 145,081.72

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Solution

The fourth proportional to 271,423.48, 406,720.04 and 145,081.72 is: 217,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,423.48 : 406,720.04 = 145,081.72 : x
  2. Step 2: Convert to fraction form
    271,423.48/406,720.04 = 145,081.72/x
  3. Step 3: Cross multiply
    271,423.48x = 406,720.04 × 145,081.72
  4. Step 4: Simplify right side
    271,423.48x = 59,007,642,961.67
  5. Step 5: Solve for x
    x = 59,007,642,961.67/271,423.48
  6. Step 6: Final answer
    x = 217,400.66

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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.