Home / 376,739.20-519,904-204,658.88

Finding the Fourth Proportional to 376,739.20, 519,904 and 204,658.88

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Solution

The fourth proportional to 376,739.20, 519,904 and 204,658.88 is: 282,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,739.20 : 519,904 = 204,658.88 : x
  2. Step 2: Convert to fraction form
    376,739.20/519,904 = 204,658.88/x
  3. Step 3: Cross multiply
    376,739.20x = 519,904 × 204,658.88
  4. Step 4: Simplify right side
    376,739.20x = 106,402,970,347.52
  5. Step 5: Solve for x
    x = 106,402,970,347.52/376,739.20
  6. Step 6: Final answer
    x = 282,431.38

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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.