Finding the Fourth Proportional to 212,751.60, 293,598.99 and 117,258.54
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Solution
The fourth proportional to 212,751.60, 293,598.99 and 117,258.54 is: 161,817.77
Step by Step Solution
- Step 1: Write the proportion equation
212,751.60 : 293,598.99 = 117,258.54 : x - Step 2: Convert to fraction form
212,751.60/293,598.99 = 117,258.54/x - Step 3: Cross multiply
212,751.60x = 293,598.99 × 117,258.54 - Step 4: Simplify right side
212,751.60x = 34,426,988,912.87 - Step 5: Solve for x
x = 34,426,988,912.87/212,751.60 - Step 6: Final answer
x = 161,817.77
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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.