Finding the Fourth Proportional to 115,495.44, 173,242.84 and 45,325.68
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Solution
The fourth proportional to 115,495.44, 173,242.84 and 45,325.68 is: 67,988.39
Step by Step Solution
- Step 1: Write the proportion equation
115,495.44 : 173,242.84 = 45,325.68 : x - Step 2: Convert to fraction form
115,495.44/173,242.84 = 45,325.68/x - Step 3: Cross multiply
115,495.44x = 173,242.84 × 45,325.68 - Step 4: Simplify right side
115,495.44x = 7,852,349,528.13 - Step 5: Solve for x
x = 7,852,349,528.13/115,495.44 - Step 6: Final answer
x = 67,988.39
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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.