Finding the Fourth Proportional to 236,611.68, 326,524.86 and 151,729.08
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Solution
The fourth proportional to 236,611.68, 326,524.86 and 151,729.08 is: 209,386.61
Step by Step Solution
- Step 1: Write the proportion equation
236,611.68 : 326,524.86 = 151,729.08 : x - Step 2: Convert to fraction form
236,611.68/326,524.86 = 151,729.08/x - Step 3: Cross multiply
236,611.68x = 326,524.86 × 151,729.08 - Step 4: Simplify right side
236,611.68x = 49,543,316,604.93 - Step 5: Solve for x
x = 49,543,316,604.93/236,611.68 - Step 6: Final answer
x = 209,386.61
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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.