Home / 360,121.02-496,970.82-198,972.06

Finding the Fourth Proportional to 360,121.02, 496,970.82 and 198,972.06

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Solution

The fourth proportional to 360,121.02, 496,970.82 and 198,972.06 is: 274,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,121.02 : 496,970.82 = 198,972.06 : x
  2. Step 2: Convert to fraction form
    360,121.02/496,970.82 = 198,972.06/x
  3. Step 3: Cross multiply
    360,121.02x = 496,970.82 × 198,972.06
  4. Step 4: Simplify right side
    360,121.02x = 98,883,307,815.29
  5. Step 5: Solve for x
    x = 98,883,307,815.29/360,121.02
  6. Step 6: Final answer
    x = 274,583.55

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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.