Finding the Fourth Proportional to 320,125.14, 479,804.10 and 149,116.32
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Solution
The fourth proportional to 320,125.14, 479,804.10 and 149,116.32 is: 223,495.79
Step by Step Solution
- Step 1: Write the proportion equation
320,125.14 : 479,804.10 = 149,116.32 : x - Step 2: Convert to fraction form
320,125.14/479,804.10 = 149,116.32/x - Step 3: Cross multiply
320,125.14x = 479,804.10 × 149,116.32 - Step 4: Simplify right side
320,125.14x = 71,546,621,712.91 - Step 5: Solve for x
x = 71,546,621,712.91/320,125.14 - Step 6: Final answer
x = 223,495.79
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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.