Home / 261,288.64-360,578.05-148,111.39

Finding the Fourth Proportional to 261,288.64, 360,578.05 and 148,111.39

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Solution

The fourth proportional to 261,288.64, 360,578.05 and 148,111.39 is: 204,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,288.64 : 360,578.05 = 148,111.39 : x
  2. Step 2: Convert to fraction form
    261,288.64/360,578.05 = 148,111.39/x
  3. Step 3: Cross multiply
    261,288.64x = 360,578.05 × 148,111.39
  4. Step 4: Simplify right side
    261,288.64x = 53,405,716,188.99
  5. Step 5: Solve for x
    x = 53,405,716,188.99/261,288.64
  6. Step 6: Final answer
    x = 204,393.56

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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.