Finding the Fourth Proportional to 343,956.07, 474,703.17 and 207,990.99
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Solution
The fourth proportional to 343,956.07, 474,703.17 and 207,990.99 is: 287,054.05
Step by Step Solution
- Step 1: Write the proportion equation
343,956.07 : 474,703.17 = 207,990.99 : x - Step 2: Convert to fraction form
343,956.07/474,703.17 = 207,990.99/x - Step 3: Cross multiply
343,956.07x = 474,703.17 × 207,990.99 - Step 4: Simplify right side
343,956.07x = 98,733,982,284.44 - Step 5: Solve for x
x = 98,733,982,284.44/343,956.07 - Step 6: Final answer
x = 287,054.05
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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.