Home / 376,137.15-519,059.89-210,562.80

Finding the Fourth Proportional to 376,137.15, 519,059.89 and 210,562.80

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Solution

The fourth proportional to 376,137.15, 519,059.89 and 210,562.80 is: 290,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,137.15 : 519,059.89 = 210,562.80 : x
  2. Step 2: Convert to fraction form
    376,137.15/519,059.89 = 210,562.80/x
  3. Step 3: Cross multiply
    376,137.15x = 519,059.89 × 210,562.80
  4. Step 4: Simplify right side
    376,137.15x = 109,294,700,938.41
  5. Step 5: Solve for x
    x = 109,294,700,938.41/376,137.15
  6. Step 6: Final answer
    x = 290,571.41

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1.5x scale

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.