Home / 355,714.66-490,890.10-194,566.18

Finding the Fourth Proportional to 355,714.66, 490,890.10 and 194,566.18

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Solution

The fourth proportional to 355,714.66, 490,890.10 and 194,566.18 is: 268,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,714.66 : 490,890.10 = 194,566.18 : x
  2. Step 2: Convert to fraction form
    355,714.66/490,890.10 = 194,566.18/x
  3. Step 3: Cross multiply
    355,714.66x = 490,890.10 × 194,566.18
  4. Step 4: Simplify right side
    355,714.66x = 95,510,611,556.82
  5. Step 5: Solve for x
    x = 95,510,611,556.82/355,714.66
  6. Step 6: Final answer
    x = 268,503.44

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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.