Finding the Fourth Proportional to 282,410.89, 389,657.99 and 159,906.08
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Solution
The fourth proportional to 282,410.89, 389,657.99 and 159,906.08 is: 220,631.31
Step by Step Solution
- Step 1: Write the proportion equation
282,410.89 : 389,657.99 = 159,906.08 : x - Step 2: Convert to fraction form
282,410.89/389,657.99 = 159,906.08/x - Step 3: Cross multiply
282,410.89x = 389,657.99 × 159,906.08 - Step 4: Simplify right side
282,410.89x = 62,308,683,095.49 - Step 5: Solve for x
x = 62,308,683,095.49/282,410.89 - Step 6: Final answer
x = 220,631.31
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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.