Finding the Fourth Proportional to 117,615.36, 176,452.32 and 34,509.60
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Solution
The fourth proportional to 117,615.36, 176,452.32 and 34,509.60 is: 51,772.99
Step by Step Solution
- Step 1: Write the proportion equation
117,615.36 : 176,452.32 = 34,509.60 : x - Step 2: Convert to fraction form
117,615.36/176,452.32 = 34,509.60/x - Step 3: Cross multiply
117,615.36x = 176,452.32 × 34,509.60 - Step 4: Simplify right side
117,615.36x = 6,089,298,982.27 - Step 5: Solve for x
x = 6,089,298,982.27/117,615.36 - Step 6: Final answer
x = 51,772.99
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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.