Home / 377,926.77-521,538.90-208,160.88

Finding the Fourth Proportional to 377,926.77, 521,538.90 and 208,160.88

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Solution

The fourth proportional to 377,926.77, 521,538.90 and 208,160.88 is: 287,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,926.77 : 521,538.90 = 208,160.88 : x
  2. Step 2: Convert to fraction form
    377,926.77/521,538.90 = 208,160.88/x
  3. Step 3: Cross multiply
    377,926.77x = 521,538.90 × 208,160.88
  4. Step 4: Simplify right side
    377,926.77x = 108,563,996,378.23
  5. Step 5: Solve for x
    x = 108,563,996,378.23/377,926.77
  6. Step 6: Final answer
    x = 287,261.99

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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.