Finding the Fourth Proportional to 198,331.24, 273,699.12 and 107,688.04
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Solution
The fourth proportional to 198,331.24, 273,699.12 and 107,688.04 is: 148,610.59
Step by Step Solution
- Step 1: Write the proportion equation
198,331.24 : 273,699.12 = 107,688.04 : x - Step 2: Convert to fraction form
198,331.24/273,699.12 = 107,688.04/x - Step 3: Cross multiply
198,331.24x = 273,699.12 × 107,688.04 - Step 4: Simplify right side
198,331.24x = 29,474,121,782.52 - Step 5: Solve for x
x = 29,474,121,782.52/198,331.24 - Step 6: Final answer
x = 148,610.59
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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.