Home / 245,416.50-367,927.38-138,734.64

Finding the Fourth Proportional to 245,416.50, 367,927.38 and 138,734.64

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Solution

The fourth proportional to 245,416.50, 367,927.38 and 138,734.64 is: 207,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,416.50 : 367,927.38 = 138,734.64 : x
  2. Step 2: Convert to fraction form
    245,416.50/367,927.38 = 138,734.64/x
  3. Step 3: Cross multiply
    245,416.50x = 367,927.38 × 138,734.64
  4. Step 4: Simplify right side
    245,416.50x = 51,044,272,610.44
  5. Step 5: Solve for x
    x = 51,044,272,610.44/245,416.50
  6. Step 6: Final answer
    x = 207,990.39

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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.