Finding the Fourth Proportional to 379,930.70, 569,895.94 and 143,218.03
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Solution
The fourth proportional to 379,930.70, 569,895.94 and 143,218.03 is: 214,826.99
Step by Step Solution
- Step 1: Write the proportion equation
379,930.70 : 569,895.94 = 143,218.03 : x - Step 2: Convert to fraction form
379,930.70/569,895.94 = 143,218.03/x - Step 3: Cross multiply
379,930.70x = 569,895.94 × 143,218.03 - Step 4: Simplify right side
379,930.70x = 81,619,370,266.23 - Step 5: Solve for x
x = 81,619,370,266.23/379,930.70 - Step 6: Final answer
x = 214,826.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.