Home / 376,380.18-519,277.95-240,493.56

Finding the Fourth Proportional to 376,380.18, 519,277.95 and 240,493.56

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Solution

The fourth proportional to 376,380.18, 519,277.95 and 240,493.56 is: 331,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,380.18 : 519,277.95 = 240,493.56 : x
  2. Step 2: Convert to fraction form
    376,380.18/519,277.95 = 240,493.56/x
  3. Step 3: Cross multiply
    376,380.18x = 519,277.95 × 240,493.56
  4. Step 4: Simplify right side
    376,380.18x = 124,883,002,825.00
  5. Step 5: Solve for x
    x = 124,883,002,825.00/376,380.18
  6. Step 6: Final answer
    x = 331,800.16

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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.