Finding the Fourth Proportional to 141,187.57, 211,719.19 and 66,328.99
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Solution
The fourth proportional to 141,187.57, 211,719.19 and 66,328.99 is: 99,464.28
Step by Step Solution
- Step 1: Write the proportion equation
141,187.57 : 211,719.19 = 66,328.99 : x - Step 2: Convert to fraction form
141,187.57/211,719.19 = 66,328.99/x - Step 3: Cross multiply
141,187.57x = 211,719.19 × 66,328.99 - Step 4: Simplify right side
141,187.57x = 14,043,120,036.32 - Step 5: Solve for x
x = 14,043,120,036.32/141,187.57 - Step 6: Final answer
x = 99,464.28
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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.