Home / 291,260.42-402,063.78-195,822.50

Finding the Fourth Proportional to 291,260.42, 402,063.78 and 195,822.50

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Solution

The fourth proportional to 291,260.42, 402,063.78 and 195,822.50 is: 270,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,260.42 : 402,063.78 = 195,822.50 : x
  2. Step 2: Convert to fraction form
    291,260.42/402,063.78 = 195,822.50/x
  3. Step 3: Cross multiply
    291,260.42x = 402,063.78 × 195,822.50
  4. Step 4: Simplify right side
    291,260.42x = 78,733,134,559.05
  5. Step 5: Solve for x
    x = 78,733,134,559.05/291,260.42
  6. Step 6: Final answer
    x = 270,318.69

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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.