Home / 277,260.16-415,846.86-90,270.40

Finding the Fourth Proportional to 277,260.16, 415,846.86 and 90,270.40

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Solution

The fourth proportional to 277,260.16, 415,846.86 and 90,270.40 is: 135,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,260.16 : 415,846.86 = 90,270.40 : x
  2. Step 2: Convert to fraction form
    277,260.16/415,846.86 = 90,270.40/x
  3. Step 3: Cross multiply
    277,260.16x = 415,846.86 × 90,270.40
  4. Step 4: Simplify right side
    277,260.16x = 37,538,662,390.94
  5. Step 5: Solve for x
    x = 37,538,662,390.94/277,260.16
  6. Step 6: Final answer
    x = 135,391.48

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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.