Home / 377,828.52-521,395.85-205,748.52

Finding the Fourth Proportional to 377,828.52, 521,395.85 and 205,748.52

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Solution

The fourth proportional to 377,828.52, 521,395.85 and 205,748.52 is: 283,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,828.52 : 521,395.85 = 205,748.52 : x
  2. Step 2: Convert to fraction form
    377,828.52/521,395.85 = 205,748.52/x
  3. Step 3: Cross multiply
    377,828.52x = 521,395.85 × 205,748.52
  4. Step 4: Simplify right side
    377,828.52x = 107,276,425,963.63
  5. Step 5: Solve for x
    x = 107,276,425,963.63/377,828.52
  6. Step 6: Final answer
    x = 283,928.88

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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.