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Finding the Fourth Proportional to 237,309.81, 327,471.08 and 135,339.58

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Solution

The fourth proportional to 237,309.81, 327,471.08 and 135,339.58 is: 186,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,309.81 : 327,471.08 = 135,339.58 : x
  2. Step 2: Convert to fraction form
    237,309.81/327,471.08 = 135,339.58/x
  3. Step 3: Cross multiply
    237,309.81x = 327,471.08 × 135,339.58
  4. Step 4: Simplify right side
    237,309.81x = 44,319,798,429.35
  5. Step 5: Solve for x
    x = 44,319,798,429.35/237,309.81
  6. Step 6: Final answer
    x = 186,759.24

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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.