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Finding the Fourth Proportional to 369,576.35, 510,015.31 and 199,810.47

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Solution

The fourth proportional to 369,576.35, 510,015.31 and 199,810.47 is: 275,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,576.35 : 510,015.31 = 199,810.47 : x
  2. Step 2: Convert to fraction form
    369,576.35/510,015.31 = 199,810.47/x
  3. Step 3: Cross multiply
    369,576.35x = 510,015.31 × 199,810.47
  4. Step 4: Simplify right side
    369,576.35x = 101,906,398,298.77
  5. Step 5: Solve for x
    x = 101,906,398,298.77/369,576.35
  6. Step 6: Final answer
    x = 275,738.42

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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.