Finding the Fourth Proportional to 284,388.05, 392,455.37 and 157,062.53
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Solution
The fourth proportional to 284,388.05, 392,455.37 and 157,062.53 is: 216,746.21
Step by Step Solution
- Step 1: Write the proportion equation
284,388.05 : 392,455.37 = 157,062.53 : x - Step 2: Convert to fraction form
284,388.05/392,455.37 = 157,062.53/x - Step 3: Cross multiply
284,388.05x = 392,455.37 × 157,062.53 - Step 4: Simplify right side
284,388.05x = 61,640,030,576.70 - Step 5: Solve for x
x = 61,640,030,576.70/284,388.05 - Step 6: Final answer
x = 216,746.21
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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.