Finding the Fourth Proportional to 284,365.17, 392,584.10 and 197,276.09
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Solution
The fourth proportional to 284,365.17, 392,584.10 and 197,276.09 is: 272,352.12
Step by Step Solution
- Step 1: Write the proportion equation
284,365.17 : 392,584.10 = 197,276.09 : x - Step 2: Convert to fraction form
284,365.17/392,584.10 = 197,276.09/x - Step 3: Cross multiply
284,365.17x = 392,584.10 × 197,276.09 - Step 4: Simplify right side
284,365.17x = 77,447,456,244.17 - Step 5: Solve for x
x = 77,447,456,244.17/284,365.17 - Step 6: Final answer
x = 272,352.12
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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.