Finding the Fourth Proportional to 147,562.11, 221,211.68 and 54,045.99
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Solution
The fourth proportional to 147,562.11, 221,211.68 and 54,045.99 is: 81,020.83
Step by Step Solution
- Step 1: Write the proportion equation
147,562.11 : 221,211.68 = 54,045.99 : x - Step 2: Convert to fraction form
147,562.11/221,211.68 = 54,045.99/x - Step 3: Cross multiply
147,562.11x = 221,211.68 × 54,045.99 - Step 4: Simplify right side
147,562.11x = 11,955,603,974.93 - Step 5: Solve for x
x = 11,955,603,974.93/147,562.11 - Step 6: Final answer
x = 81,020.83
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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.