Finding the Fourth Proportional to 259,915.08, 358,611.60 and 157,855.08
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Solution
The fourth proportional to 259,915.08, 358,611.60 and 157,855.08 is: 217,796.76
Step by Step Solution
- Step 1: Write the proportion equation
259,915.08 : 358,611.60 = 157,855.08 : x - Step 2: Convert to fraction form
259,915.08/358,611.60 = 157,855.08/x - Step 3: Cross multiply
259,915.08x = 358,611.60 × 157,855.08 - Step 4: Simplify right side
259,915.08x = 56,608,662,806.93 - Step 5: Solve for x
x = 56,608,662,806.93/259,915.08 - Step 6: Final answer
x = 217,796.76
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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.