Finding the Fourth Proportional to 131,528.56, 197,206.17 and 47,246.44
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Solution
The fourth proportional to 131,528.56, 197,206.17 and 47,246.44 is: 70,838.53
Step by Step Solution
- Step 1: Write the proportion equation
131,528.56 : 197,206.17 = 47,246.44 : x - Step 2: Convert to fraction form
131,528.56/197,206.17 = 47,246.44/x - Step 3: Cross multiply
131,528.56x = 197,206.17 × 47,246.44 - Step 4: Simplify right side
131,528.56x = 9,317,289,478.53 - Step 5: Solve for x
x = 9,317,289,478.53/131,528.56 - Step 6: Final answer
x = 70,838.53
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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.