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Finding the Fourth Proportional to 336,028.30, 504,042.45 and 259,920.70

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Solution

The fourth proportional to 336,028.30, 504,042.45 and 259,920.70 is: 389,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,028.30 : 504,042.45 = 259,920.70 : x
  2. Step 2: Convert to fraction form
    336,028.30/504,042.45 = 259,920.70/x
  3. Step 3: Cross multiply
    336,028.30x = 504,042.45 × 259,920.70
  4. Step 4: Simplify right side
    336,028.30x = 131,011,066,433.72
  5. Step 5: Solve for x
    x = 131,011,066,433.72/336,028.30
  6. Step 6: Final answer
    x = 389,881.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.