Finding the Fourth Proportional to 212,847.42, 293,742.68 and 117,353.96
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Solution
The fourth proportional to 212,847.42, 293,742.68 and 117,353.96 is: 161,955.76
Step by Step Solution
- Step 1: Write the proportion equation
212,847.42 : 293,742.68 = 117,353.96 : x - Step 2: Convert to fraction form
212,847.42/293,742.68 = 117,353.96/x - Step 3: Cross multiply
212,847.42x = 293,742.68 × 117,353.96 - Step 4: Simplify right side
212,847.42x = 34,471,864,663.53 - Step 5: Solve for x
x = 34,471,864,663.53/212,847.42 - Step 6: Final answer
x = 161,955.76
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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.