Home / 277,558.20-416,234.90-90,575.80

Finding the Fourth Proportional to 277,558.20, 416,234.90 and 90,575.80

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Solution

The fourth proportional to 277,558.20, 416,234.90 and 90,575.80 is: 135,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,558.20 : 416,234.90 = 90,575.80 : x
  2. Step 2: Convert to fraction form
    277,558.20/416,234.90 = 90,575.80/x
  3. Step 3: Cross multiply
    277,558.20x = 416,234.90 × 90,575.80
  4. Step 4: Simplify right side
    277,558.20x = 37,700,809,055.42
  5. Step 5: Solve for x
    x = 37,700,809,055.42/277,558.20
  6. Step 6: Final answer
    x = 135,830.28

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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.