Finding the Fourth Proportional to 212,655.30, 293,453.46 and 117,160.08
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Solution
The fourth proportional to 212,655.30, 293,453.46 and 117,160.08 is: 161,674.93
Step by Step Solution
- Step 1: Write the proportion equation
212,655.30 : 293,453.46 = 117,160.08 : x - Step 2: Convert to fraction form
212,655.30/293,453.46 = 117,160.08/x - Step 3: Cross multiply
212,655.30x = 293,453.46 × 117,160.08 - Step 4: Simplify right side
212,655.30x = 34,381,030,849.88 - Step 5: Solve for x
x = 34,381,030,849.88/212,655.30 - Step 6: Final answer
x = 161,674.93
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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.