Finding the Fourth Proportional to 102,816.74, 154,192.08 and 32,679.66
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Solution
The fourth proportional to 102,816.74, 154,192.08 and 32,679.66 is: 49,008.99
Step by Step Solution
- Step 1: Write the proportion equation
102,816.74 : 154,192.08 = 32,679.66 : x - Step 2: Convert to fraction form
102,816.74/154,192.08 = 32,679.66/x - Step 3: Cross multiply
102,816.74x = 154,192.08 × 32,679.66 - Step 4: Simplify right side
102,816.74x = 5,038,944,749.09 - Step 5: Solve for x
x = 5,038,944,749.09/102,816.74 - Step 6: Final answer
x = 49,008.99
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1.5x scale
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.