Finding the Fourth Proportional to 112,652.44, 155,462.79 and 62,351.44
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Solution
The fourth proportional to 112,652.44, 155,462.79 and 62,351.44 is: 86,046.33
Step by Step Solution
- Step 1: Write the proportion equation
112,652.44 : 155,462.79 = 62,351.44 : x - Step 2: Convert to fraction form
112,652.44/155,462.79 = 62,351.44/x - Step 3: Cross multiply
112,652.44x = 155,462.79 × 62,351.44 - Step 4: Simplify right side
112,652.44x = 9,693,328,668.08 - Step 5: Solve for x
x = 9,693,328,668.08/112,652.44 - Step 6: Final answer
x = 86,046.33
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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.