Finding the Fourth Proportional to 307,231.92, 460,925.64 and 129,647.52
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Solution
The fourth proportional to 307,231.92, 460,925.64 and 129,647.52 is: 194,504.09
Step by Step Solution
- Step 1: Write the proportion equation
307,231.92 : 460,925.64 = 129,647.52 : x - Step 2: Convert to fraction form
307,231.92/460,925.64 = 129,647.52/x - Step 3: Cross multiply
307,231.92x = 460,925.64 × 129,647.52 - Step 4: Simplify right side
307,231.92x = 59,757,866,130.41 - Step 5: Solve for x
x = 59,757,866,130.41/307,231.92 - Step 6: Final answer
x = 194,504.09
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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.