Finding the Fourth Proportional to 130,286.26, 195,463.08 and 76,296.54
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Solution
The fourth proportional to 130,286.26, 195,463.08 and 76,296.54 is: 114,464.53
Step by Step Solution
- Step 1: Write the proportion equation
130,286.26 : 195,463.08 = 76,296.54 : x - Step 2: Convert to fraction form
130,286.26/195,463.08 = 76,296.54/x - Step 3: Cross multiply
130,286.26x = 195,463.08 × 76,296.54 - Step 4: Simplify right side
130,286.26x = 14,913,155,342.95 - Step 5: Solve for x
x = 14,913,155,342.95/130,286.26 - Step 6: Final answer
x = 114,464.53
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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.