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Finding the Fourth Proportional to 236,568.96, 326,465.28 and 135,960.96

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Solution

The fourth proportional to 236,568.96, 326,465.28 and 135,960.96 is: 187,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,568.96 : 326,465.28 = 135,960.96 : x
  2. Step 2: Convert to fraction form
    236,568.96/326,465.28 = 135,960.96/x
  3. Step 3: Cross multiply
    236,568.96x = 326,465.28 × 135,960.96
  4. Step 4: Simplify right side
    236,568.96x = 44,386,532,875.47
  5. Step 5: Solve for x
    x = 44,386,532,875.47/236,568.96
  6. Step 6: Final answer
    x = 187,626.19

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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.