Finding the Fourth Proportional to 328,337.82, 453,086.66 and 190,506.09
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Solution
The fourth proportional to 328,337.82, 453,086.66 and 190,506.09 is: 262,887.08
Step by Step Solution
- Step 1: Write the proportion equation
328,337.82 : 453,086.66 = 190,506.09 : x - Step 2: Convert to fraction form
328,337.82/453,086.66 = 190,506.09/x - Step 3: Cross multiply
328,337.82x = 453,086.66 × 190,506.09 - Step 4: Simplify right side
328,337.82x = 86,315,770,203.10 - Step 5: Solve for x
x = 86,315,770,203.10/328,337.82 - Step 6: Final answer
x = 262,887.08
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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.