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Finding the Fourth Proportional to 243,662.08, 336,255.72 and 134,764.60

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Solution

The fourth proportional to 243,662.08, 336,255.72 and 134,764.60 is: 185,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,662.08 : 336,255.72 = 134,764.60 : x
  2. Step 2: Convert to fraction form
    243,662.08/336,255.72 = 134,764.60/x
  3. Step 3: Cross multiply
    243,662.08x = 336,255.72 × 134,764.60
  4. Step 4: Simplify right side
    243,662.08x = 45,315,367,603.51
  5. Step 5: Solve for x
    x = 45,315,367,603.51/243,662.08
  6. Step 6: Final answer
    x = 185,976.28

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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.