Home / 376,904.45-520,133.20-204,825.82

Finding the Fourth Proportional to 376,904.45, 520,133.20 and 204,825.82

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Solution

The fourth proportional to 376,904.45, 520,133.20 and 204,825.82 is: 282,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,904.45 : 520,133.20 = 204,825.82 : x
  2. Step 2: Convert to fraction form
    376,904.45/520,133.20 = 204,825.82/x
  3. Step 3: Cross multiply
    376,904.45x = 520,133.20 × 204,825.82
  4. Step 4: Simplify right side
    376,904.45x = 106,536,710,023.96
  5. Step 5: Solve for x
    x = 106,536,710,023.96/376,904.45
  6. Step 6: Final answer
    x = 282,662.38

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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.