Finding the Fourth Proportional to 343,837.08, 515,753.30 and 187,061.99
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Solution
The fourth proportional to 343,837.08, 515,753.30 and 187,061.99 is: 280,591.72
Step by Step Solution
- Step 1: Write the proportion equation
343,837.08 : 515,753.30 = 187,061.99 : x - Step 2: Convert to fraction form
343,837.08/515,753.30 = 187,061.99/x - Step 3: Cross multiply
343,837.08x = 515,753.30 × 187,061.99 - Step 4: Simplify right side
343,837.08x = 96,477,836,535.96 - Step 5: Solve for x
x = 96,477,836,535.96/343,837.08 - Step 6: Final answer
x = 280,591.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.