Finding the Fourth Proportional to 328,779.81, 453,716.24 and 185,570.19
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Solution
The fourth proportional to 328,779.81, 453,716.24 and 185,570.19 is: 256,086.92
Step by Step Solution
- Step 1: Write the proportion equation
328,779.81 : 453,716.24 = 185,570.19 : x - Step 2: Convert to fraction form
328,779.81/453,716.24 = 185,570.19/x - Step 3: Cross multiply
328,779.81x = 453,716.24 × 185,570.19 - Step 4: Simplify right side
328,779.81x = 84,196,207,935.03 - Step 5: Solve for x
x = 84,196,207,935.03/328,779.81 - Step 6: Final answer
x = 256,086.92
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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.