Finding the Fourth Proportional to 276,431.93, 381,593.77 and 185,840.44
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Solution
The fourth proportional to 276,431.93, 381,593.77 and 185,840.44 is: 256,538.94
Step by Step Solution
- Step 1: Write the proportion equation
276,431.93 : 381,593.77 = 185,840.44 : x - Step 2: Convert to fraction form
276,431.93/381,593.77 = 185,840.44/x - Step 3: Cross multiply
276,431.93x = 381,593.77 × 185,840.44 - Step 4: Simplify right side
276,431.93x = 70,915,552,699.47 - Step 5: Solve for x
x = 70,915,552,699.47/276,431.93 - Step 6: Final answer
x = 256,538.94
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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.