Finding the Fourth Proportional to 305,282.08, 458,186.64 and 211,853.44
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Solution
The fourth proportional to 305,282.08, 458,186.64 and 211,853.44 is: 317,963.03
Step by Step Solution
- Step 1: Write the proportion equation
305,282.08 : 458,186.64 = 211,853.44 : x - Step 2: Convert to fraction form
305,282.08/458,186.64 = 211,853.44/x - Step 3: Cross multiply
305,282.08x = 458,186.64 × 211,853.44 - Step 4: Simplify right side
305,282.08x = 97,068,415,846.04 - Step 5: Solve for x
x = 97,068,415,846.04/305,282.08 - Step 6: Final answer
x = 317,963.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.