Finding the Fourth Proportional to 445,927.21, 668,640.02 and 146,382.68
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Solution
The fourth proportional to 445,927.21, 668,640.02 and 146,382.68 is: 219,491.70
Step by Step Solution
- Step 1: Write the proportion equation
445,927.21 : 668,640.02 = 146,382.68 : x - Step 2: Convert to fraction form
445,927.21/668,640.02 = 146,382.68/x - Step 3: Cross multiply
445,927.21x = 668,640.02 × 146,382.68 - Step 4: Simplify right side
445,927.21x = 97,877,319,022.54 - Step 5: Solve for x
x = 97,877,319,022.54/445,927.21 - Step 6: Final answer
x = 219,491.70
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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.