Finding the Fourth Proportional to 342,944.06, 473,257.80 and 189,981.99
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Solution
The fourth proportional to 342,944.06, 473,257.80 and 189,981.99 is: 262,172.38
Step by Step Solution
- Step 1: Write the proportion equation
342,944.06 : 473,257.80 = 189,981.99 : x - Step 2: Convert to fraction form
342,944.06/473,257.80 = 189,981.99/x - Step 3: Cross multiply
342,944.06x = 473,257.80 × 189,981.99 - Step 4: Simplify right side
342,944.06x = 89,910,458,627.02 - Step 5: Solve for x
x = 89,910,458,627.02/342,944.06 - Step 6: Final answer
x = 262,172.38
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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.