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Finding the Fourth Proportional to 235,423.35, 324,935.82 and 154,858.83

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Solution

The fourth proportional to 235,423.35, 324,935.82 and 154,858.83 is: 213,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,423.35 : 324,935.82 = 154,858.83 : x
  2. Step 2: Convert to fraction form
    235,423.35/324,935.82 = 154,858.83/x
  3. Step 3: Cross multiply
    235,423.35x = 324,935.82 × 154,858.83
  4. Step 4: Simplify right side
    235,423.35x = 50,319,180,910.29
  5. Step 5: Solve for x
    x = 50,319,180,910.29/235,423.35
  6. Step 6: Final answer
    x = 213,739.13

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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.