Home / 277,117.24-415,719.66-90,085

Finding the Fourth Proportional to 277,117.24, 415,719.66 and 90,085

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Solution

The fourth proportional to 277,117.24, 415,719.66 and 90,085 is: 135,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,117.24 : 415,719.66 = 90,085 : x
  2. Step 2: Convert to fraction form
    277,117.24/415,719.66 = 90,085/x
  3. Step 3: Cross multiply
    277,117.24x = 415,719.66 × 90,085
  4. Step 4: Simplify right side
    277,117.24x = 37,450,105,571.10
  5. Step 5: Solve for x
    x = 37,450,105,571.10/277,117.24
  6. Step 6: Final answer
    x = 135,141.74

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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.