Finding the Fourth Proportional to 484,516.18, 726,718.81 and 129,557.88
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Solution
The fourth proportional to 484,516.18, 726,718.81 and 129,557.88 is: 194,321.99
Step by Step Solution
- Step 1: Write the proportion equation
484,516.18 : 726,718.81 = 129,557.88 : x - Step 2: Convert to fraction form
484,516.18/726,718.81 = 129,557.88/x - Step 3: Cross multiply
484,516.18x = 726,718.81 × 129,557.88 - Step 4: Simplify right side
484,516.18x = 94,152,148,379.72 - Step 5: Solve for x
x = 94,152,148,379.72/484,516.18 - Step 6: Final answer
x = 194,321.99
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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.