Finding the Fourth Proportional to 186,637.44, 280,072.80 and 75,829.44
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Solution
The fourth proportional to 186,637.44, 280,072.80 and 75,829.44 is: 113,791.55
Step by Step Solution
- Step 1: Write the proportion equation
186,637.44 : 280,072.80 = 75,829.44 : x - Step 2: Convert to fraction form
186,637.44/280,072.80 = 75,829.44/x - Step 3: Cross multiply
186,637.44x = 280,072.80 × 75,829.44 - Step 4: Simplify right side
186,637.44x = 21,237,763,583.23 - Step 5: Solve for x
x = 21,237,763,583.23/186,637.44 - Step 6: Final answer
x = 113,791.55
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1.5x scale
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.