Finding the Fourth Proportional to 128,466.93, 192,652.47 and 44,203.26
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Solution
The fourth proportional to 128,466.93, 192,652.47 and 44,203.26 is: 66,288.40
Step by Step Solution
- Step 1: Write the proportion equation
128,466.93 : 192,652.47 = 44,203.26 : x - Step 2: Convert to fraction form
128,466.93/192,652.47 = 44,203.26/x - Step 3: Cross multiply
128,466.93x = 192,652.47 × 44,203.26 - Step 4: Simplify right side
128,466.93x = 8,515,867,221.05 - Step 5: Solve for x
x = 8,515,867,221.05/128,466.93 - Step 6: Final answer
x = 66,288.40
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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.