Finding the Fourth Proportional to 78,792.48, 118,186.56 and 26,202.96
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Solution
The fourth proportional to 78,792.48, 118,186.56 and 26,202.96 is: 39,303.72
Step by Step Solution
- Step 1: Write the proportion equation
78,792.48 : 118,186.56 = 26,202.96 : x - Step 2: Convert to fraction form
78,792.48/118,186.56 = 26,202.96/x - Step 3: Cross multiply
78,792.48x = 118,186.56 × 26,202.96 - Step 4: Simplify right side
78,792.48x = 3,096,837,704.22 - Step 5: Solve for x
x = 3,096,837,704.22/78,792.48 - Step 6: Final answer
x = 39,303.72
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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.