Finding the Fourth Proportional to 317,722.88, 438,347.94 and 203,068.62
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Solution
The fourth proportional to 317,722.88, 438,347.94 and 203,068.62 is: 280,164.63
Step by Step Solution
- Step 1: Write the proportion equation
317,722.88 : 438,347.94 = 203,068.62 : x - Step 2: Convert to fraction form
317,722.88/438,347.94 = 203,068.62/x - Step 3: Cross multiply
317,722.88x = 438,347.94 × 203,068.62 - Step 4: Simplify right side
317,722.88x = 89,014,711,255.64 - Step 5: Solve for x
x = 89,014,711,255.64/317,722.88 - Step 6: Final answer
x = 280,164.63
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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.