Finding the Fourth Proportional to 177,647.09, 245,153.63 and 97,074.62
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Solution
The fourth proportional to 177,647.09, 245,153.63 and 97,074.62 is: 133,963.32
Step by Step Solution
- Step 1: Write the proportion equation
177,647.09 : 245,153.63 = 97,074.62 : x - Step 2: Convert to fraction form
177,647.09/245,153.63 = 97,074.62/x - Step 3: Cross multiply
177,647.09x = 245,153.63 × 97,074.62 - Step 4: Simplify right side
177,647.09x = 23,798,193,762.73 - Step 5: Solve for x
x = 23,798,193,762.73/177,647.09 - Step 6: Final answer
x = 133,963.32
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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.