Finding the Fourth Proportional to 75,630.30, 113,418.99 and 22,308.13
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Solution
The fourth proportional to 75,630.30, 113,418.99 and 22,308.13 is: 33,454.39
Step by Step Solution
- Step 1: Write the proportion equation
75,630.30 : 113,418.99 = 22,308.13 : x - Step 2: Convert to fraction form
75,630.30/113,418.99 = 22,308.13/x - Step 3: Cross multiply
75,630.30x = 113,418.99 × 22,308.13 - Step 4: Simplify right side
75,630.30x = 2,530,165,573.39 - Step 5: Solve for x
x = 2,530,165,573.39/75,630.30 - Step 6: Final answer
x = 33,454.39
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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.