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Finding the Fourth Proportional to 369,651.05, 510,119 and 199,885.17

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Solution

The fourth proportional to 369,651.05, 510,119 and 199,885.17 is: 275,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,651.05 : 510,119 = 199,885.17 : x
  2. Step 2: Convert to fraction form
    369,651.05/510,119 = 199,885.17/x
  3. Step 3: Cross multiply
    369,651.05x = 510,119 × 199,885.17
  4. Step 4: Simplify right side
    369,651.05x = 101,965,223,035.23
  5. Step 5: Solve for x
    x = 101,965,223,035.23/369,651.05
  6. Step 6: Final answer
    x = 275,841.83

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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.