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Finding the Fourth Proportional to 369,285.44, 509,614.08 and 199,519.52

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Solution

The fourth proportional to 369,285.44, 509,614.08 and 199,519.52 is: 275,337.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,285.44 : 509,614.08 = 199,519.52 : x
  2. Step 2: Convert to fraction form
    369,285.44/509,614.08 = 199,519.52/x
  3. Step 3: Cross multiply
    369,285.44x = 509,614.08 × 199,519.52
  4. Step 4: Simplify right side
    369,285.44x = 101,677,956,626.84
  5. Step 5: Solve for x
    x = 101,677,956,626.84/369,285.44
  6. Step 6: Final answer
    x = 275,337.03

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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.