Home / 388,597.15-582,974.30-163,958.14

Finding the Fourth Proportional to 388,597.15, 582,974.30 and 163,958.14

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Solution

The fourth proportional to 388,597.15, 582,974.30 and 163,958.14 is: 245,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,597.15 : 582,974.30 = 163,958.14 : x
  2. Step 2: Convert to fraction form
    388,597.15/582,974.30 = 163,958.14/x
  3. Step 3: Cross multiply
    388,597.15x = 582,974.30 × 163,958.14
  4. Step 4: Simplify right side
    388,597.15x = 95,583,381,895.80
  5. Step 5: Solve for x
    x = 95,583,381,895.80/388,597.15
  6. Step 6: Final answer
    x = 245,970.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.