Finding the Fourth Proportional to 117,307.50, 161,884.20 and 63,592.08
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Solution
The fourth proportional to 117,307.50, 161,884.20 and 63,592.08 is: 87,756.99
Step by Step Solution
- Step 1: Write the proportion equation
117,307.50 : 161,884.20 = 63,592.08 : x - Step 2: Convert to fraction form
117,307.50/161,884.20 = 63,592.08/x - Step 3: Cross multiply
117,307.50x = 161,884.20 × 63,592.08 - Step 4: Simplify right side
117,307.50x = 10,294,552,997.14 - Step 5: Solve for x
x = 10,294,552,997.14/117,307.50 - Step 6: Final answer
x = 87,756.99
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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.