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Finding the Fourth Proportional to 369,374.30, 509,736.51 and 199,608.42

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Solution

The fourth proportional to 369,374.30, 509,736.51 and 199,608.42 is: 275,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,374.30 : 509,736.51 = 199,608.42 : x
  2. Step 2: Convert to fraction form
    369,374.30/509,736.51 = 199,608.42/x
  3. Step 3: Cross multiply
    369,374.30x = 509,736.51 × 199,608.42
  4. Step 4: Simplify right side
    369,374.30x = 101,747,699,377.41
  5. Step 5: Solve for x
    x = 101,747,699,377.41/369,374.30
  6. Step 6: Final answer
    x = 275,459.61

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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.