Finding the Fourth Proportional to 274,247.36, 378,309.02 and 159,513.08
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Solution
The fourth proportional to 274,247.36, 378,309.02 and 159,513.08 is: 220,039.45
Step by Step Solution
- Step 1: Write the proportion equation
274,247.36 : 378,309.02 = 159,513.08 : x - Step 2: Convert to fraction form
274,247.36/378,309.02 = 159,513.08/x - Step 3: Cross multiply
274,247.36x = 378,309.02 × 159,513.08 - Step 4: Simplify right side
274,247.36x = 60,345,238,316.54 - Step 5: Solve for x
x = 60,345,238,316.54/274,247.36 - Step 6: Final answer
x = 220,039.45
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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.