Finding the Fourth Proportional to 198,864.99, 274,430.84 and 109,440.99
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Solution
The fourth proportional to 198,864.99, 274,430.84 and 109,440.99 is: 151,027.00
Step by Step Solution
- Step 1: Write the proportion equation
198,864.99 : 274,430.84 = 109,440.99 : x - Step 2: Convert to fraction form
198,864.99/274,430.84 = 109,440.99/x - Step 3: Cross multiply
198,864.99x = 274,430.84 × 109,440.99 - Step 4: Simplify right side
198,864.99x = 30,033,982,268.93 - Step 5: Solve for x
x = 30,033,982,268.93/198,864.99 - Step 6: Final answer
x = 151,027.00
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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.