Finding the Fourth Proportional to 268,917.62, 403,282.42 and 79,327.65
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Solution
The fourth proportional to 268,917.62, 403,282.42 and 79,327.65 is: 118,963.75
Step by Step Solution
- Step 1: Write the proportion equation
268,917.62 : 403,282.42 = 79,327.65 : x - Step 2: Convert to fraction form
268,917.62/403,282.42 = 79,327.65/x - Step 3: Cross multiply
268,917.62x = 403,282.42 × 79,327.65 - Step 4: Simplify right side
268,917.62x = 31,991,448,202.01 - Step 5: Solve for x
x = 31,991,448,202.01/268,917.62 - Step 6: Final answer
x = 118,963.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.