Finding the Fourth Proportional to 397,683.08, 548,621.36 and 236,446.52
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Solution
The fourth proportional to 397,683.08, 548,621.36 and 236,446.52 is: 326,188.41
Step by Step Solution
- Step 1: Write the proportion equation
397,683.08 : 548,621.36 = 236,446.52 : x - Step 2: Convert to fraction form
397,683.08/548,621.36 = 236,446.52/x - Step 3: Cross multiply
397,683.08x = 548,621.36 × 236,446.52 - Step 4: Simplify right side
397,683.08x = 129,719,611,369.67 - Step 5: Solve for x
x = 129,719,611,369.67/397,683.08 - Step 6: Final answer
x = 326,188.41
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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.