Home / 347,136.86-521,001.14-136,922.42

Finding the Fourth Proportional to 347,136.86, 521,001.14 and 136,922.42

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Solution

The fourth proportional to 347,136.86, 521,001.14 and 136,922.42 is: 205,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,136.86 : 521,001.14 = 136,922.42 : x
  2. Step 2: Convert to fraction form
    347,136.86/521,001.14 = 136,922.42/x
  3. Step 3: Cross multiply
    347,136.86x = 521,001.14 × 136,922.42
  4. Step 4: Simplify right side
    347,136.86x = 71,336,733,621.94
  5. Step 5: Solve for x
    x = 71,336,733,621.94/347,136.86
  6. Step 6: Final answer
    x = 205,500.32

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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.