Finding the Fourth Proportional to 121,317.48, 182,078.46 and 51,247.08
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Solution
The fourth proportional to 121,317.48, 182,078.46 and 51,247.08 is: 76,913.81
Step by Step Solution
- Step 1: Write the proportion equation
121,317.48 : 182,078.46 = 51,247.08 : x - Step 2: Convert to fraction form
121,317.48/182,078.46 = 51,247.08/x - Step 3: Cross multiply
121,317.48x = 182,078.46 × 51,247.08 - Step 4: Simplify right side
121,317.48x = 9,330,989,405.90 - Step 5: Solve for x
x = 9,330,989,405.90/121,317.48 - Step 6: Final answer
x = 76,913.81
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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.