Home / 443,933.43-612,630.50-242,729.43

Finding the Fourth Proportional to 443,933.43, 612,630.50 and 242,729.43

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Solution

The fourth proportional to 443,933.43, 612,630.50 and 242,729.43 is: 334,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,933.43 : 612,630.50 = 242,729.43 : x
  2. Step 2: Convert to fraction form
    443,933.43/612,630.50 = 242,729.43/x
  3. Step 3: Cross multiply
    443,933.43x = 612,630.50 × 242,729.43
  4. Step 4: Simplify right side
    443,933.43x = 148,703,452,065.62
  5. Step 5: Solve for x
    x = 148,703,452,065.62/443,933.43
  6. Step 6: Final answer
    x = 334,967.91

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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.