Finding the Fourth Proportional to 629,581.96, 868,823.28 and 343,102.12
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Solution
The fourth proportional to 629,581.96, 868,823.28 and 343,102.12 is: 473,481.02
Step by Step Solution
- Step 1: Write the proportion equation
629,581.96 : 868,823.28 = 343,102.12 : x - Step 2: Convert to fraction form
629,581.96/868,823.28 = 343,102.12/x - Step 3: Cross multiply
629,581.96x = 868,823.28 × 343,102.12 - Step 4: Simplify right side
629,581.96x = 298,095,109,273.35 - Step 5: Solve for x
x = 298,095,109,273.35/629,581.96 - Step 6: Final answer
x = 473,481.02
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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.