Home / 443,442.36-611,949.42-242,239.80

Finding the Fourth Proportional to 443,442.36, 611,949.42 and 242,239.80

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Solution

The fourth proportional to 443,442.36, 611,949.42 and 242,239.80 is: 334,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,442.36 : 611,949.42 = 242,239.80 : x
  2. Step 2: Convert to fraction form
    443,442.36/611,949.42 = 242,239.80/x
  3. Step 3: Cross multiply
    443,442.36x = 611,949.42 × 242,239.80
  4. Step 4: Simplify right side
    443,442.36x = 148,238,505,110.92
  5. Step 5: Solve for x
    x = 148,238,505,110.92/443,442.36
  6. Step 6: Final answer
    x = 334,290.36

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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.