Finding the Fourth Proportional to 414,886.96, 622,368.96 and 321,497.20
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Solution
The fourth proportional to 414,886.96, 622,368.96 and 321,497.20 is: 482,275.65
Step by Step Solution
- Step 1: Write the proportion equation
414,886.96 : 622,368.96 = 321,497.20 : x - Step 2: Convert to fraction form
414,886.96/622,368.96 = 321,497.20/x - Step 3: Cross multiply
414,886.96x = 622,368.96 × 321,497.20 - Step 4: Simplify right side
414,886.96x = 200,089,878,006.91 - Step 5: Solve for x
x = 200,089,878,006.91/414,886.96 - Step 6: Final answer
x = 482,275.65
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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.