Home / 207,376.44-311,439.38-190,705.72

Finding the Fourth Proportional to 207,376.44, 311,439.38 and 190,705.72

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Solution

The fourth proportional to 207,376.44, 311,439.38 and 190,705.72 is: 286,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,376.44 : 311,439.38 = 190,705.72 : x
  2. Step 2: Convert to fraction form
    207,376.44/311,439.38 = 190,705.72/x
  3. Step 3: Cross multiply
    207,376.44x = 311,439.38 × 190,705.72
  4. Step 4: Simplify right side
    207,376.44x = 59,393,271,199.25
  5. Step 5: Solve for x
    x = 59,393,271,199.25/207,376.44
  6. Step 6: Final answer
    x = 286,403.18

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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.