Finding the Fourth Proportional to 193,088.36, 289,631.95 and 48,993.90
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Solution
The fourth proportional to 193,088.36, 289,631.95 and 48,993.90 is: 73,490.70
Step by Step Solution
- Step 1: Write the proportion equation
193,088.36 : 289,631.95 = 48,993.90 : x - Step 2: Convert to fraction form
193,088.36/289,631.95 = 48,993.90/x - Step 3: Cross multiply
193,088.36x = 289,631.95 × 48,993.90 - Step 4: Simplify right side
193,088.36x = 14,190,198,795.11 - Step 5: Solve for x
x = 14,190,198,795.11/193,088.36 - Step 6: Final answer
x = 73,490.70
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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.