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Finding the Fourth Proportional to 214,279.20, 295,693.20 and 118,785.60

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Solution

The fourth proportional to 214,279.20, 295,693.20 and 118,785.60 is: 163,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,279.20 : 295,693.20 = 118,785.60 : x
  2. Step 2: Convert to fraction form
    214,279.20/295,693.20 = 118,785.60/x
  3. Step 3: Cross multiply
    214,279.20x = 295,693.20 × 118,785.60
  4. Step 4: Simplify right side
    214,279.20x = 35,124,094,177.92
  5. Step 5: Solve for x
    x = 35,124,094,177.92/214,279.20
  6. Step 6: Final answer
    x = 163,917.42

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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.