Home / 306,436.32-459,540.72-106,705.44

Finding the Fourth Proportional to 306,436.32, 459,540.72 and 106,705.44

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Solution

The fourth proportional to 306,436.32, 459,540.72 and 106,705.44 is: 160,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,436.32 : 459,540.72 = 106,705.44 : x
  2. Step 2: Convert to fraction form
    306,436.32/459,540.72 = 106,705.44/x
  3. Step 3: Cross multiply
    306,436.32x = 459,540.72 × 106,705.44
  4. Step 4: Simplify right side
    306,436.32x = 49,035,494,725.52
  5. Step 5: Solve for x
    x = 49,035,494,725.52/306,436.32
  6. Step 6: Final answer
    x = 160,018.55

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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.