Home / 263,395.29-363,485.49-142,536.57

Finding the Fourth Proportional to 263,395.29, 363,485.49 and 142,536.57

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Solution

The fourth proportional to 263,395.29, 363,485.49 and 142,536.57 is: 196,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,395.29 : 363,485.49 = 142,536.57 : x
  2. Step 2: Convert to fraction form
    263,395.29/363,485.49 = 142,536.57/x
  3. Step 3: Cross multiply
    263,395.29x = 363,485.49 × 142,536.57
  4. Step 4: Simplify right side
    263,395.29x = 51,809,974,915.86
  5. Step 5: Solve for x
    x = 51,809,974,915.86/263,395.29
  6. Step 6: Final answer
    x = 196,700.46

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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.