Home / 277,344.20-415,639.38-117,287.12

Finding the Fourth Proportional to 277,344.20, 415,639.38 and 117,287.12

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Solution

The fourth proportional to 277,344.20, 415,639.38 and 117,287.12 is: 175,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,344.20 : 415,639.38 = 117,287.12 : x
  2. Step 2: Convert to fraction form
    277,344.20/415,639.38 = 117,287.12/x
  3. Step 3: Cross multiply
    277,344.20x = 415,639.38 × 117,287.12
  4. Step 4: Simplify right side
    277,344.20x = 48,749,145,838.79
  5. Step 5: Solve for x
    x = 48,749,145,838.79/277,344.20
  6. Step 6: Final answer
    x = 175,771.28

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1.5x scale

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.