Home / 369,073.34-509,321.20-199,307.46

Finding the Fourth Proportional to 369,073.34, 509,321.20 and 199,307.46

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Solution

The fourth proportional to 369,073.34, 509,321.20 and 199,307.46 is: 275,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,073.34 : 509,321.20 = 199,307.46 : x
  2. Step 2: Convert to fraction form
    369,073.34/509,321.20 = 199,307.46/x
  3. Step 3: Cross multiply
    369,073.34x = 509,321.20 × 199,307.46
  4. Step 4: Simplify right side
    369,073.34x = 101,511,515,889.90
  5. Step 5: Solve for x
    x = 101,511,515,889.90/369,073.34
  6. Step 6: Final answer
    x = 275,044.30

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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.