Finding the Fourth Proportional to 276,477.08, 381,539.03 and 155,620.08
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Solution
The fourth proportional to 276,477.08, 381,539.03 and 155,620.08 is: 214,756.08
Step by Step Solution
- Step 1: Write the proportion equation
276,477.08 : 381,539.03 = 155,620.08 : x - Step 2: Convert to fraction form
276,477.08/381,539.03 = 155,620.08/x - Step 3: Cross multiply
276,477.08x = 381,539.03 × 155,620.08 - Step 4: Simplify right side
276,477.08x = 59,375,133,593.62 - Step 5: Solve for x
x = 59,375,133,593.62/276,477.08 - Step 6: Final answer
x = 214,756.08
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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.