Finding the Fourth Proportional to 163,349.10, 225,446.16 and 99,723.84
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Solution
The fourth proportional to 163,349.10, 225,446.16 and 99,723.84 is: 137,633.80
Step by Step Solution
- Step 1: Write the proportion equation
163,349.10 : 225,446.16 = 99,723.84 : x - Step 2: Convert to fraction form
163,349.10/225,446.16 = 99,723.84/x - Step 3: Cross multiply
163,349.10x = 225,446.16 × 99,723.84 - Step 4: Simplify right side
163,349.10x = 22,482,356,788.45 - Step 5: Solve for x
x = 22,482,356,788.45/163,349.10 - Step 6: Final answer
x = 137,633.80
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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.