Finding the Fourth Proportional to 276,266.44, 381,462.24 and 215,732.08
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Solution
The fourth proportional to 276,266.44, 381,462.24 and 215,732.08 is: 297,877.81
Step by Step Solution
- Step 1: Write the proportion equation
276,266.44 : 381,462.24 = 215,732.08 : x - Step 2: Convert to fraction form
276,266.44/381,462.24 = 215,732.08/x - Step 3: Cross multiply
276,266.44x = 381,462.24 × 215,732.08 - Step 4: Simplify right side
276,266.44x = 82,293,642,476.66 - Step 5: Solve for x
x = 82,293,642,476.66/276,266.44 - Step 6: Final answer
x = 297,877.81
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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.