Finding the Fourth Proportional to 118,286.60, 177,497.94 and 65,691.68
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Solution
The fourth proportional to 118,286.60, 177,497.94 and 65,691.68 is: 98,575.31
Step by Step Solution
- Step 1: Write the proportion equation
118,286.60 : 177,497.94 = 65,691.68 : x - Step 2: Convert to fraction form
118,286.60/177,497.94 = 65,691.68/x - Step 3: Cross multiply
118,286.60x = 177,497.94 × 65,691.68 - Step 4: Simplify right side
118,286.60x = 11,660,137,875.14 - Step 5: Solve for x
x = 11,660,137,875.14/118,286.60 - Step 6: Final answer
x = 98,575.31
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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.