Finding the Fourth Proportional to 284,168.93, 392,156.37 and 156,844.62
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Solution
The fourth proportional to 284,168.93, 392,156.37 and 156,844.62 is: 216,447.37
Step by Step Solution
- Step 1: Write the proportion equation
284,168.93 : 392,156.37 = 156,844.62 : x - Step 2: Convert to fraction form
284,168.93/392,156.37 = 156,844.62/x - Step 3: Cross multiply
284,168.93x = 392,156.37 × 156,844.62 - Step 4: Simplify right side
284,168.93x = 61,507,616,833.23 - Step 5: Solve for x
x = 61,507,616,833.23/284,168.93 - Step 6: Final answer
x = 216,447.37
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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.