Finding the Fourth Proportional to 211,207.03, 316,772.08 and 84,842.17
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Solution
The fourth proportional to 211,207.03, 316,772.08 and 84,842.17 is: 127,247.80
Step by Step Solution
- Step 1: Write the proportion equation
211,207.03 : 316,772.08 = 84,842.17 : x - Step 2: Convert to fraction form
211,207.03/316,772.08 = 84,842.17/x - Step 3: Cross multiply
211,207.03x = 316,772.08 × 84,842.17 - Step 4: Simplify right side
211,207.03x = 26,875,630,662.61 - Step 5: Solve for x
x = 26,875,630,662.61/211,207.03 - Step 6: Final answer
x = 127,247.80
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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.