Finding the Fourth Proportional to 226,188.97, 311,967.81 and 153,647.79
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Solution
The fourth proportional to 226,188.97, 311,967.81 and 153,647.79 is: 211,916.46
Step by Step Solution
- Step 1: Write the proportion equation
226,188.97 : 311,967.81 = 153,647.79 : x - Step 2: Convert to fraction form
226,188.97/311,967.81 = 153,647.79/x - Step 3: Cross multiply
226,188.97x = 311,967.81 × 153,647.79 - Step 4: Simplify right side
226,188.97x = 47,933,165,956.11 - Step 5: Solve for x
x = 47,933,165,956.11/226,188.97 - Step 6: Final answer
x = 211,916.46
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1.5x scale
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.