Home / 253,274.06-379,911.80-103,514.37

Finding the Fourth Proportional to 253,274.06, 379,911.80 and 103,514.37

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Solution

The fourth proportional to 253,274.06, 379,911.80 and 103,514.37 is: 155,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,274.06 : 379,911.80 = 103,514.37 : x
  2. Step 2: Convert to fraction form
    253,274.06/379,911.80 = 103,514.37/x
  3. Step 3: Cross multiply
    253,274.06x = 379,911.80 × 103,514.37
  4. Step 4: Simplify right side
    253,274.06x = 39,326,330,632.57
  5. Step 5: Solve for x
    x = 39,326,330,632.57/253,274.06
  6. Step 6: Final answer
    x = 155,271.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.