Finding the Fourth Proportional to 445,974.98, 668,773.82 and 179,663.99
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Solution
The fourth proportional to 445,974.98, 668,773.82 and 179,663.99 is: 269,419.98
Step by Step Solution
- Step 1: Write the proportion equation
445,974.98 : 668,773.82 = 179,663.99 : x - Step 2: Convert to fraction form
445,974.98/668,773.82 = 179,663.99/x - Step 3: Cross multiply
445,974.98x = 668,773.82 × 179,663.99 - Step 4: Simplify right side
445,974.98x = 120,154,568,666.55 - Step 5: Solve for x
x = 120,154,568,666.55/445,974.98 - Step 6: Final answer
x = 269,419.98
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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.