Home / 291,592.26-402,472.38-189,871.62

Finding the Fourth Proportional to 291,592.26, 402,472.38 and 189,871.62

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Solution

The fourth proportional to 291,592.26, 402,472.38 and 189,871.62 is: 262,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,592.26 : 402,472.38 = 189,871.62 : x
  2. Step 2: Convert to fraction form
    291,592.26/402,472.38 = 189,871.62/x
  3. Step 3: Cross multiply
    291,592.26x = 402,472.38 × 189,871.62
  4. Step 4: Simplify right side
    291,592.26x = 76,418,082,795.86
  5. Step 5: Solve for x
    x = 76,418,082,795.86/291,592.26
  6. Step 6: Final answer
    x = 262,071.71

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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.