Finding the Fourth Proportional to 316,722.44, 437,120.45 and 194,193.14
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Solution
The fourth proportional to 316,722.44, 437,120.45 and 194,193.14 is: 268,013.19
Step by Step Solution
- Step 1: Write the proportion equation
316,722.44 : 437,120.45 = 194,193.14 : x - Step 2: Convert to fraction form
316,722.44/437,120.45 = 194,193.14/x - Step 3: Cross multiply
316,722.44x = 437,120.45 × 194,193.14 - Step 4: Simplify right side
316,722.44x = 84,885,789,587.15 - Step 5: Solve for x
x = 84,885,789,587.15/316,722.44 - Step 6: Final answer
x = 268,013.19
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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.