Home / 292,221.32-437,979.26-142,236.86

Finding the Fourth Proportional to 292,221.32, 437,979.26 and 142,236.86

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Solution

The fourth proportional to 292,221.32, 437,979.26 and 142,236.86 is: 213,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,221.32 : 437,979.26 = 142,236.86 : x
  2. Step 2: Convert to fraction form
    292,221.32/437,979.26 = 142,236.86/x
  3. Step 3: Cross multiply
    292,221.32x = 437,979.26 × 142,236.86
  4. Step 4: Simplify right side
    292,221.32x = 62,296,792,853.22
  5. Step 5: Solve for x
    x = 62,296,792,853.22/292,221.32
  6. Step 6: Final answer
    x = 213,183.60

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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.