Finding the Fourth Proportional to 357,696.24, 493,591.92 and 206,802.96
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Solution
The fourth proportional to 357,696.24, 493,591.92 and 206,802.96 is: 285,371.38
Step by Step Solution
- Step 1: Write the proportion equation
357,696.24 : 493,591.92 = 206,802.96 : x - Step 2: Convert to fraction form
357,696.24/493,591.92 = 206,802.96/x - Step 3: Cross multiply
357,696.24x = 493,591.92 × 206,802.96 - Step 4: Simplify right side
357,696.24x = 102,076,270,088.08 - Step 5: Solve for x
x = 102,076,270,088.08/357,696.24 - Step 6: Final answer
x = 285,371.38
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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.