Finding the Fourth Proportional to 349,871.08, 482,832.74 and 198,989.80
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Solution
The fourth proportional to 349,871.08, 482,832.74 and 198,989.80 is: 274,611.98
Step by Step Solution
- Step 1: Write the proportion equation
349,871.08 : 482,832.74 = 198,989.80 : x - Step 2: Convert to fraction form
349,871.08/482,832.74 = 198,989.80/x - Step 3: Cross multiply
349,871.08x = 482,832.74 × 198,989.80 - Step 4: Simplify right side
349,871.08x = 96,078,790,366.05 - Step 5: Solve for x
x = 96,078,790,366.05/349,871.08 - Step 6: Final answer
x = 274,611.98
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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.