Finding the Fourth Proportional to 276,515.08, 381,451.62 and 161,718.64
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Solution
The fourth proportional to 276,515.08, 381,451.62 and 161,718.64 is: 223,090.32
Step by Step Solution
- Step 1: Write the proportion equation
276,515.08 : 381,451.62 = 161,718.64 : x - Step 2: Convert to fraction form
276,515.08/381,451.62 = 161,718.64/x - Step 3: Cross multiply
276,515.08x = 381,451.62 × 161,718.64 - Step 4: Simplify right side
276,515.08x = 61,687,837,212.20 - Step 5: Solve for x
x = 61,687,837,212.20/276,515.08 - Step 6: Final answer
x = 223,090.32
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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.