Home / 377,730.37-521,736.01-274,199.33

Finding the Fourth Proportional to 377,730.37, 521,736.01 and 274,199.33

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Solution

The fourth proportional to 377,730.37, 521,736.01 and 274,199.33 is: 378,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,730.37 : 521,736.01 = 274,199.33 : x
  2. Step 2: Convert to fraction form
    377,730.37/521,736.01 = 274,199.33/x
  3. Step 3: Cross multiply
    377,730.37x = 521,736.01 × 274,199.33
  4. Step 4: Simplify right side
    377,730.37x = 143,059,666,059.29
  5. Step 5: Solve for x
    x = 143,059,666,059.29/377,730.37
  6. Step 6: Final answer
    x = 378,734.88

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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.