Finding the Fourth Proportional to 161,193.41, 222,381.95 and 97,420.49
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Solution
The fourth proportional to 161,193.41, 222,381.95 and 97,420.49 is: 134,401.01
Step by Step Solution
- Step 1: Write the proportion equation
161,193.41 : 222,381.95 = 97,420.49 : x - Step 2: Convert to fraction form
161,193.41/222,381.95 = 97,420.49/x - Step 3: Cross multiply
161,193.41x = 222,381.95 × 97,420.49 - Step 4: Simplify right side
161,193.41x = 21,664,556,937.14 - Step 5: Solve for x
x = 21,664,556,937.14/161,193.41 - Step 6: Final answer
x = 134,401.01
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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.