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Finding the Fourth Proportional to 235,951, 325,612.38 and 135,381.40

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Solution

The fourth proportional to 235,951, 325,612.38 and 135,381.40 is: 186,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,951 : 325,612.38 = 135,381.40 : x
  2. Step 2: Convert to fraction form
    235,951/325,612.38 = 135,381.40/x
  3. Step 3: Cross multiply
    235,951x = 325,612.38 × 135,381.40
  4. Step 4: Simplify right side
    235,951x = 44,081,859,861.73
  5. Step 5: Solve for x
    x = 44,081,859,861.73/235,951
  6. Step 6: Final answer
    x = 186,826.33

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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.