Finding the Fourth Proportional to 332,681.99, 459,100.62 and 189,442.08
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Solution
The fourth proportional to 332,681.99, 459,100.62 and 189,442.08 is: 261,429.77
Step by Step Solution
- Step 1: Write the proportion equation
332,681.99 : 459,100.62 = 189,442.08 : x - Step 2: Convert to fraction form
332,681.99/459,100.62 = 189,442.08/x - Step 3: Cross multiply
332,681.99x = 459,100.62 × 189,442.08 - Step 4: Simplify right side
332,681.99x = 86,972,976,382.09 - Step 5: Solve for x
x = 86,972,976,382.09/332,681.99 - Step 6: Final answer
x = 261,429.77
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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.