Finding the Fourth Proportional to 97,396.36, 134,409.08 and 53,788.78
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Solution
The fourth proportional to 97,396.36, 134,409.08 and 53,788.78 is: 74,229.67
Step by Step Solution
- Step 1: Write the proportion equation
97,396.36 : 134,409.08 = 53,788.78 : x - Step 2: Convert to fraction form
97,396.36/134,409.08 = 53,788.78/x - Step 3: Cross multiply
97,396.36x = 134,409.08 × 53,788.78 - Step 4: Simplify right side
97,396.36x = 7,229,699,493.13 - Step 5: Solve for x
x = 7,229,699,493.13/97,396.36 - Step 6: Final answer
x = 74,229.67
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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.