Finding the Fourth Proportional to 211,045.62, 316,739.12 and 163,548.08
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Solution
The fourth proportional to 211,045.62, 316,739.12 and 163,548.08 is: 245,454.39
Step by Step Solution
- Step 1: Write the proportion equation
211,045.62 : 316,739.12 = 163,548.08 : x - Step 2: Convert to fraction form
211,045.62/316,739.12 = 163,548.08/x - Step 3: Cross multiply
211,045.62x = 316,739.12 × 163,548.08 - Step 4: Simplify right side
211,045.62x = 51,802,074,936.89 - Step 5: Solve for x
x = 51,802,074,936.89/211,045.62 - Step 6: Final answer
x = 245,454.39
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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.