Finding the Fourth Proportional to 284,913.36, 393,258.17 and 177,419.88
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Solution
The fourth proportional to 284,913.36, 393,258.17 and 177,419.88 is: 244,887.84
Step by Step Solution
- Step 1: Write the proportion equation
284,913.36 : 393,258.17 = 177,419.88 : x - Step 2: Convert to fraction form
284,913.36/393,258.17 = 177,419.88/x - Step 3: Cross multiply
284,913.36x = 393,258.17 × 177,419.88 - Step 4: Simplify right side
284,913.36x = 69,771,817,773.97 - Step 5: Solve for x
x = 69,771,817,773.97/284,913.36 - Step 6: Final answer
x = 244,887.84
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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.