Finding the Fourth Proportional to 84,946.08, 127,369.92 and 28,767.44
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Solution
The fourth proportional to 84,946.08, 127,369.92 and 28,767.44 is: 43,134.50
Step by Step Solution
- Step 1: Write the proportion equation
84,946.08 : 127,369.92 = 28,767.44 : x - Step 2: Convert to fraction form
84,946.08/127,369.92 = 28,767.44/x - Step 3: Cross multiply
84,946.08x = 127,369.92 × 28,767.44 - Step 4: Simplify right side
84,946.08x = 3,664,106,531.40 - Step 5: Solve for x
x = 3,664,106,531.40/84,946.08 - Step 6: Final answer
x = 43,134.50
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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.