Home / 377,865.36-521,454.84-208,099.92

Finding the Fourth Proportional to 377,865.36, 521,454.84 and 208,099.92

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Solution

The fourth proportional to 377,865.36, 521,454.84 and 208,099.92 is: 287,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,865.36 : 521,454.84 = 208,099.92 : x
  2. Step 2: Convert to fraction form
    377,865.36/521,454.84 = 208,099.92/x
  3. Step 3: Cross multiply
    377,865.36x = 521,454.84 × 208,099.92
  4. Step 4: Simplify right side
    377,865.36x = 108,514,710,487.61
  5. Step 5: Solve for x
    x = 108,514,710,487.61/377,865.36
  6. Step 6: Final answer
    x = 287,178.24

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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.