Home / 277,302.05-415,953.07-90,313.55

Finding the Fourth Proportional to 277,302.05, 415,953.07 and 90,313.55

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Solution

The fourth proportional to 277,302.05, 415,953.07 and 90,313.55 is: 135,470.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,302.05 : 415,953.07 = 90,313.55 : x
  2. Step 2: Convert to fraction form
    277,302.05/415,953.07 = 90,313.55/x
  3. Step 3: Cross multiply
    277,302.05x = 415,953.07 × 90,313.55
  4. Step 4: Simplify right side
    277,302.05x = 37,566,198,147.39
  5. Step 5: Solve for x
    x = 37,566,198,147.39/277,302.05
  6. Step 6: Final answer
    x = 135,470.32

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Similar ratio
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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.