Finding the Fourth Proportional to 195,141.61, 291,063.58 and 189,235.09
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Solution
The fourth proportional to 195,141.61, 291,063.58 and 189,235.09 is: 282,253.71
Step by Step Solution
- Step 1: Write the proportion equation
195,141.61 : 291,063.58 = 189,235.09 : x - Step 2: Convert to fraction form
195,141.61/291,063.58 = 189,235.09/x - Step 3: Cross multiply
195,141.61x = 291,063.58 × 189,235.09 - Step 4: Simplify right side
195,141.61x = 55,079,442,757.02 - Step 5: Solve for x
x = 55,079,442,757.02/195,141.61 - Step 6: Final answer
x = 282,253.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.