Home / 377,848.52-521,454.68-208,082.64

Finding the Fourth Proportional to 377,848.52, 521,454.68 and 208,082.64

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Solution

The fourth proportional to 377,848.52, 521,454.68 and 208,082.64 is: 287,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,848.52 : 521,454.68 = 208,082.64 : x
  2. Step 2: Convert to fraction form
    377,848.52/521,454.68 = 208,082.64/x
  3. Step 3: Cross multiply
    377,848.52x = 521,454.68 × 208,082.64
  4. Step 4: Simplify right side
    377,848.52x = 108,505,666,454.76
  5. Step 5: Solve for x
    x = 108,505,666,454.76/377,848.52
  6. Step 6: Final answer
    x = 287,167.11

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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.