Finding the Fourth Proportional to 141,010.29, 211,453.11 and 66,069.99
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Solution
The fourth proportional to 141,010.29, 211,453.11 and 66,069.99 is: 99,075.78
Step by Step Solution
- Step 1: Write the proportion equation
141,010.29 : 211,453.11 = 66,069.99 : x - Step 2: Convert to fraction form
141,010.29/211,453.11 = 66,069.99/x - Step 3: Cross multiply
141,010.29x = 211,453.11 × 66,069.99 - Step 4: Simplify right side
141,010.29x = 13,970,704,863.17 - Step 5: Solve for x
x = 13,970,704,863.17/141,010.29 - Step 6: Final answer
x = 99,075.78
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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.