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Finding the Fourth Proportional to 369,234.76, 509,573.92 and 208,100.72

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Solution

The fourth proportional to 369,234.76, 509,573.92 and 208,100.72 is: 287,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,234.76 : 509,573.92 = 208,100.72 : x
  2. Step 2: Convert to fraction form
    369,234.76/509,573.92 = 208,100.72/x
  3. Step 3: Cross multiply
    369,234.76x = 509,573.92 × 208,100.72
  4. Step 4: Simplify right side
    369,234.76x = 106,042,699,645.22
  5. Step 5: Solve for x
    x = 106,042,699,645.22/369,234.76
  6. Step 6: Final answer
    x = 287,195.87

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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.