Finding the Fourth Proportional to 230,697.55, 318,302.49 and 135,152.92
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Solution
The fourth proportional to 230,697.55, 318,302.49 and 135,152.92 is: 186,475.80
Step by Step Solution
- Step 1: Write the proportion equation
230,697.55 : 318,302.49 = 135,152.92 : x - Step 2: Convert to fraction form
230,697.55/318,302.49 = 135,152.92/x - Step 3: Cross multiply
230,697.55x = 318,302.49 × 135,152.92 - Step 4: Simplify right side
230,697.55x = 43,019,510,966.77 - Step 5: Solve for x
x = 43,019,510,966.77/230,697.55 - Step 6: Final answer
x = 186,475.80
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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.