Home / 277,333.04-415,183.08-171,812.72

Finding the Fourth Proportional to 277,333.04, 415,183.08 and 171,812.72

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Solution

The fourth proportional to 277,333.04, 415,183.08 and 171,812.72 is: 257,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,333.04 : 415,183.08 = 171,812.72 : x
  2. Step 2: Convert to fraction form
    277,333.04/415,183.08 = 171,812.72/x
  3. Step 3: Cross multiply
    277,333.04x = 415,183.08 × 171,812.72
  4. Step 4: Simplify right side
    277,333.04x = 71,333,734,272.78
  5. Step 5: Solve for x
    x = 71,333,734,272.78/277,333.04
  6. Step 6: Final answer
    x = 257,213.26

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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.