Finding the Fourth Proportional to 298,737.73, 412,252.85 and 162,772.80
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Solution
The fourth proportional to 298,737.73, 412,252.85 and 162,772.80 is: 224,623.62
Step by Step Solution
- Step 1: Write the proportion equation
298,737.73 : 412,252.85 = 162,772.80 : x - Step 2: Convert to fraction form
298,737.73/412,252.85 = 162,772.80/x - Step 3: Cross multiply
298,737.73x = 412,252.85 × 162,772.80 - Step 4: Simplify right side
298,737.73x = 67,103,548,641.22 - Step 5: Solve for x
x = 67,103,548,641.22/298,737.73 - Step 6: Final answer
x = 224,623.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.