Finding the Fourth Proportional to 177,986.72, 245,611.68 and 97,414.08
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Solution
The fourth proportional to 177,986.72, 245,611.68 and 97,414.08 is: 134,425.96
Step by Step Solution
- Step 1: Write the proportion equation
177,986.72 : 245,611.68 = 97,414.08 : x - Step 2: Convert to fraction form
177,986.72/245,611.68 = 97,414.08/x - Step 3: Cross multiply
177,986.72x = 245,611.68 × 97,414.08 - Step 4: Simplify right side
177,986.72x = 23,926,035,844.45 - Step 5: Solve for x
x = 23,926,035,844.45/177,986.72 - Step 6: Final answer
x = 134,425.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.