Home / 347,845.60-521,768.40-277,861.60

Finding the Fourth Proportional to 347,845.60, 521,768.40 and 277,861.60

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Solution

The fourth proportional to 347,845.60, 521,768.40 and 277,861.60 is: 416,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,845.60 : 521,768.40 = 277,861.60 : x
  2. Step 2: Convert to fraction form
    347,845.60/521,768.40 = 277,861.60/x
  3. Step 3: Cross multiply
    347,845.60x = 521,768.40 × 277,861.60
  4. Step 4: Simplify right side
    347,845.60x = 144,979,402,453.44
  5. Step 5: Solve for x
    x = 144,979,402,453.44/347,845.60
  6. Step 6: Final answer
    x = 416,792.40

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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.