Finding the Fourth Proportional to 212,854.35, 293,740.98 and 117,364.44
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Solution
The fourth proportional to 212,854.35, 293,740.98 and 117,364.44 is: 161,964.02
Step by Step Solution
- Step 1: Write the proportion equation
212,854.35 : 293,740.98 = 117,364.44 : x - Step 2: Convert to fraction form
212,854.35/293,740.98 = 117,364.44/x - Step 3: Cross multiply
212,854.35x = 293,740.98 × 117,364.44 - Step 4: Simplify right side
212,854.35x = 34,474,745,622.75 - Step 5: Solve for x
x = 34,474,745,622.75/212,854.35 - Step 6: Final answer
x = 161,964.02
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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.