Home / 277,980.18-383,609.85-155,471.27

Finding the Fourth Proportional to 277,980.18, 383,609.85 and 155,471.27

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Solution

The fourth proportional to 277,980.18, 383,609.85 and 155,471.27 is: 214,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,980.18 : 383,609.85 = 155,471.27 : x
  2. Step 2: Convert to fraction form
    277,980.18/383,609.85 = 155,471.27/x
  3. Step 3: Cross multiply
    277,980.18x = 383,609.85 × 155,471.27
  4. Step 4: Simplify right side
    277,980.18x = 59,640,310,564.01
  5. Step 5: Solve for x
    x = 59,640,310,564.01/277,980.18
  6. Step 6: Final answer
    x = 214,548.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.