Home / 377,550.54-521,031.56-214,213.93

Finding the Fourth Proportional to 377,550.54, 521,031.56 and 214,213.93

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Solution

The fourth proportional to 377,550.54, 521,031.56 and 214,213.93 is: 295,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,550.54 : 521,031.56 = 214,213.93 : x
  2. Step 2: Convert to fraction form
    377,550.54/521,031.56 = 214,213.93/x
  3. Step 3: Cross multiply
    377,550.54x = 521,031.56 × 214,213.93
  4. Step 4: Simplify right side
    377,550.54x = 111,612,220,486.22
  5. Step 5: Solve for x
    x = 111,612,220,486.22/377,550.54
  6. Step 6: Final answer
    x = 295,621.93

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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.