Home / 371,738.88-513,004.32-201,975.84

Finding the Fourth Proportional to 371,738.88, 513,004.32 and 201,975.84

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Solution

The fourth proportional to 371,738.88, 513,004.32 and 201,975.84 is: 278,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,738.88 : 513,004.32 = 201,975.84 : x
  2. Step 2: Convert to fraction form
    371,738.88/513,004.32 = 201,975.84/x
  3. Step 3: Cross multiply
    371,738.88x = 513,004.32 × 201,975.84
  4. Step 4: Simplify right side
    371,738.88x = 103,614,478,455.63
  5. Step 5: Solve for x
    x = 103,614,478,455.63/371,738.88
  6. Step 6: Final answer
    x = 278,729.19

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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.