Finding the Fourth Proportional to 995,420.88, 1,493,136.79 and 247,466.88
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Solution
The fourth proportional to 995,420.88, 1,493,136.79 and 247,466.88 is: 371,201.68
Step by Step Solution
- Step 1: Write the proportion equation
995,420.88 : 1,493,136.79 = 247,466.88 : x - Step 2: Convert to fraction form
995,420.88/1,493,136.79 = 247,466.88/x - Step 3: Cross multiply
995,420.88x = 1,493,136.79 × 247,466.88 - Step 4: Simplify right side
995,420.88x = 369,501,902,215.85 - Step 5: Solve for x
x = 369,501,902,215.85/995,420.88 - Step 6: Final answer
x = 371,201.68
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1.5x scale
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.