Finding the Fourth Proportional to 117,685.68, 162,250.20 and 97,468.08
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Solution
The fourth proportional to 117,685.68, 162,250.20 and 97,468.08 is: 134,376.72
Step by Step Solution
- Step 1: Write the proportion equation
117,685.68 : 162,250.20 = 97,468.08 : x - Step 2: Convert to fraction form
117,685.68/162,250.20 = 97,468.08/x - Step 3: Cross multiply
117,685.68x = 162,250.20 × 97,468.08 - Step 4: Simplify right side
117,685.68x = 15,814,215,473.62 - Step 5: Solve for x
x = 15,814,215,473.62/117,685.68 - Step 6: Final answer
x = 134,376.72
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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.