Home / 377,953.48-521,575.82-208,187.61

Finding the Fourth Proportional to 377,953.48, 521,575.82 and 208,187.61

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Solution

The fourth proportional to 377,953.48, 521,575.82 and 208,187.61 is: 287,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,953.48 : 521,575.82 = 208,187.61 : x
  2. Step 2: Convert to fraction form
    377,953.48/521,575.82 = 208,187.61/x
  3. Step 3: Cross multiply
    377,953.48x = 521,575.82 × 208,187.61
  4. Step 4: Simplify right side
    377,953.48x = 108,585,623,399.59
  5. Step 5: Solve for x
    x = 108,585,623,399.59/377,953.48
  6. Step 6: Final answer
    x = 287,298.91

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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.