Finding the Fourth Proportional to 320,837.14, 442,749.88 and 177,594.10
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Solution
The fourth proportional to 320,837.14, 442,749.88 and 177,594.10 is: 245,076.88
Step by Step Solution
- Step 1: Write the proportion equation
320,837.14 : 442,749.88 = 177,594.10 : x - Step 2: Convert to fraction form
320,837.14/442,749.88 = 177,594.10/x - Step 3: Cross multiply
320,837.14x = 442,749.88 × 177,594.10 - Step 4: Simplify right side
320,837.14x = 78,629,766,463.71 - Step 5: Solve for x
x = 78,629,766,463.71/320,837.14 - Step 6: Final answer
x = 245,076.88
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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.