Home / 376,811.88-519,970.23-215,629.98

Finding the Fourth Proportional to 376,811.88, 519,970.23 and 215,629.98

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Solution

The fourth proportional to 376,811.88, 519,970.23 and 215,629.98 is: 297,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,811.88 : 519,970.23 = 215,629.98 : x
  2. Step 2: Convert to fraction form
    376,811.88/519,970.23 = 215,629.98/x
  3. Step 3: Cross multiply
    376,811.88x = 519,970.23 × 215,629.98
  4. Step 4: Simplify right side
    376,811.88x = 112,121,170,295.50
  5. Step 5: Solve for x
    x = 112,121,170,295.50/376,811.88
  6. Step 6: Final answer
    x = 297,552.11

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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.