Finding the Fourth Proportional to 230,635.30, 318,269.49 and 135,205.55
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Solution
The fourth proportional to 230,635.30, 318,269.49 and 135,205.55 is: 186,579.42
Step by Step Solution
- Step 1: Write the proportion equation
230,635.30 : 318,269.49 = 135,205.55 : x - Step 2: Convert to fraction form
230,635.30/318,269.49 = 135,205.55/x - Step 3: Cross multiply
230,635.30x = 318,269.49 × 135,205.55 - Step 4: Simplify right side
230,635.30x = 43,031,801,443.67 - Step 5: Solve for x
x = 43,031,801,443.67/230,635.30 - Step 6: Final answer
x = 186,579.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.