Finding the Fourth Proportional to 268,775.36, 403,081.04 and 91,242.92
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Solution
The fourth proportional to 268,775.36, 403,081.04 and 91,242.92 is: 136,836.54
Step by Step Solution
- Step 1: Write the proportion equation
268,775.36 : 403,081.04 = 91,242.92 : x - Step 2: Convert to fraction form
268,775.36/403,081.04 = 91,242.92/x - Step 3: Cross multiply
268,775.36x = 403,081.04 × 91,242.92 - Step 4: Simplify right side
268,775.36x = 36,778,291,086.24 - Step 5: Solve for x
x = 36,778,291,086.24/268,775.36 - Step 6: Final answer
x = 136,836.54
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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.