Finding the Fourth Proportional to 646,611.08, 969,916.62 and 197,334.26
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Solution
The fourth proportional to 646,611.08, 969,916.62 and 197,334.26 is: 296,001.39
Step by Step Solution
- Step 1: Write the proportion equation
646,611.08 : 969,916.62 = 197,334.26 : x - Step 2: Convert to fraction form
646,611.08/969,916.62 = 197,334.26/x - Step 3: Cross multiply
646,611.08x = 969,916.62 × 197,334.26 - Step 4: Simplify right side
646,611.08x = 191,397,778,469.40 - Step 5: Solve for x
x = 191,397,778,469.40/646,611.08 - Step 6: Final answer
x = 296,001.39
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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.