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Finding the Fourth Proportional to 369,759.92, 510,267.67 and 199,993.64

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Solution

The fourth proportional to 369,759.92, 510,267.67 and 199,993.64 is: 275,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,759.92 : 510,267.67 = 199,993.64 : x
  2. Step 2: Convert to fraction form
    369,759.92/510,267.67 = 199,993.64/x
  3. Step 3: Cross multiply
    369,759.92x = 510,267.67 × 199,993.64
  4. Step 4: Simplify right side
    369,759.92x = 102,050,285,646.30
  5. Step 5: Solve for x
    x = 102,050,285,646.30/369,759.92
  6. Step 6: Final answer
    x = 275,990.67

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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.