Home / 253,536.03-349,904.07-140,358.78

Finding the Fourth Proportional to 253,536.03, 349,904.07 and 140,358.78

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Solution

The fourth proportional to 253,536.03, 349,904.07 and 140,358.78 is: 193,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,536.03 : 349,904.07 = 140,358.78 : x
  2. Step 2: Convert to fraction form
    253,536.03/349,904.07 = 140,358.78/x
  3. Step 3: Cross multiply
    253,536.03x = 349,904.07 × 140,358.78
  4. Step 4: Simplify right side
    253,536.03x = 49,112,108,382.23
  5. Step 5: Solve for x
    x = 49,112,108,382.23/253,536.03
  6. Step 6: Final answer
    x = 193,708.60

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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.