Finding the Fourth Proportional to 212,549.50, 293,318.34 and 117,056.02
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Solution
The fourth proportional to 212,549.50, 293,318.34 and 117,056.02 is: 161,537.32
Step by Step Solution
- Step 1: Write the proportion equation
212,549.50 : 293,318.34 = 117,056.02 : x - Step 2: Convert to fraction form
212,549.50/293,318.34 = 117,056.02/x - Step 3: Cross multiply
212,549.50x = 293,318.34 × 117,056.02 - Step 4: Simplify right side
212,549.50x = 34,334,677,473.41 - Step 5: Solve for x
x = 34,334,677,473.41/212,549.50 - Step 6: Final answer
x = 161,537.32
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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.