Finding the Fourth Proportional to 276,432.05, 381,593.93 and 185,840.56
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Solution
The fourth proportional to 276,432.05, 381,593.93 and 185,840.56 is: 256,539.09
Step by Step Solution
- Step 1: Write the proportion equation
276,432.05 : 381,593.93 = 185,840.56 : x - Step 2: Convert to fraction form
276,432.05/381,593.93 = 185,840.56/x - Step 3: Cross multiply
276,432.05x = 381,593.93 × 185,840.56 - Step 4: Simplify right side
276,432.05x = 70,915,627,735.83 - Step 5: Solve for x
x = 70,915,627,735.83/276,432.05 - Step 6: Final answer
x = 256,539.09
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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.