Finding the Fourth Proportional to 363,409.52, 545,166.36 and 97,178.96
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Solution
The fourth proportional to 363,409.52, 545,166.36 and 97,178.96 is: 145,782.37
Step by Step Solution
- Step 1: Write the proportion equation
363,409.52 : 545,166.36 = 97,178.96 : x - Step 2: Convert to fraction form
363,409.52/545,166.36 = 97,178.96/x - Step 3: Cross multiply
363,409.52x = 545,166.36 × 97,178.96 - Step 4: Simplify right side
363,409.52x = 52,978,699,891.79 - Step 5: Solve for x
x = 52,978,699,891.79/363,409.52 - Step 6: Final answer
x = 145,782.37
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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.