Finding the Fourth Proportional to 117,679.68, 162,241.92 and 97,462.08
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Solution
The fourth proportional to 117,679.68, 162,241.92 and 97,462.08 is: 134,368.44
Step by Step Solution
- Step 1: Write the proportion equation
117,679.68 : 162,241.92 = 97,462.08 : x - Step 2: Convert to fraction form
117,679.68/162,241.92 = 97,462.08/x - Step 3: Cross multiply
117,679.68x = 162,241.92 × 97,462.08 - Step 4: Simplify right side
117,679.68x = 15,812,434,986.39 - Step 5: Solve for x
x = 15,812,434,986.39/117,679.68 - Step 6: Final answer
x = 134,368.44
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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.