Home / 377,817.75-521,392.14-208,055.52

Finding the Fourth Proportional to 377,817.75, 521,392.14 and 208,055.52

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Solution

The fourth proportional to 377,817.75, 521,392.14 and 208,055.52 is: 287,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,817.75 : 521,392.14 = 208,055.52 : x
  2. Step 2: Convert to fraction form
    377,817.75/521,392.14 = 208,055.52/x
  3. Step 3: Cross multiply
    377,817.75x = 521,392.14 × 208,055.52
  4. Step 4: Simplify right side
    377,817.75x = 108,478,512,811.61
  5. Step 5: Solve for x
    x = 108,478,512,811.61/377,817.75
  6. Step 6: Final answer
    x = 287,118.62

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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.