Finding the Fourth Proportional to 317,764.60, 438,517.74 and 174,526.36
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Solution
The fourth proportional to 317,764.60, 438,517.74 and 174,526.36 is: 240,847.80
Step by Step Solution
- Step 1: Write the proportion equation
317,764.60 : 438,517.74 = 174,526.36 : x - Step 2: Convert to fraction form
317,764.60/438,517.74 = 174,526.36/x - Step 3: Cross multiply
317,764.60x = 438,517.74 × 174,526.36 - Step 4: Simplify right side
317,764.60x = 76,532,904,957.63 - Step 5: Solve for x
x = 76,532,904,957.63/317,764.60 - Step 6: Final answer
x = 240,847.80
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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.