Finding the Fourth Proportional to 147,790.98, 221,774.79 and 54,306.18
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Solution
The fourth proportional to 147,790.98, 221,774.79 and 54,306.18 is: 81,491.72
Step by Step Solution
- Step 1: Write the proportion equation
147,790.98 : 221,774.79 = 54,306.18 : x - Step 2: Convert to fraction form
147,790.98/221,774.79 = 54,306.18/x - Step 3: Cross multiply
147,790.98x = 221,774.79 × 54,306.18 - Step 4: Simplify right side
147,790.98x = 12,043,741,665.20 - Step 5: Solve for x
x = 12,043,741,665.20/147,790.98 - Step 6: Final answer
x = 81,491.72
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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.