Home / 268,583.40-402,437.70-197,724.60

Finding the Fourth Proportional to 268,583.40, 402,437.70 and 197,724.60

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Solution

The fourth proportional to 268,583.40, 402,437.70 and 197,724.60 is: 296,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,583.40 : 402,437.70 = 197,724.60 : x
  2. Step 2: Convert to fraction form
    268,583.40/402,437.70 = 197,724.60/x
  3. Step 3: Cross multiply
    268,583.40x = 402,437.70 × 197,724.60
  4. Step 4: Simplify right side
    268,583.40x = 79,571,833,257.42
  5. Step 5: Solve for x
    x = 79,571,833,257.42/268,583.40
  6. Step 6: Final answer
    x = 296,264.90

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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.