Finding the Fourth Proportional to 167,965.75, 251,953.49 and 43,306.75
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Solution
The fourth proportional to 167,965.75, 251,953.49 and 43,306.75 is: 64,961.38
Step by Step Solution
- Step 1: Write the proportion equation
167,965.75 : 251,953.49 = 43,306.75 : x - Step 2: Convert to fraction form
167,965.75/251,953.49 = 43,306.75/x - Step 3: Cross multiply
167,965.75x = 251,953.49 × 43,306.75 - Step 4: Simplify right side
167,965.75x = 10,911,286,803.06 - Step 5: Solve for x
x = 10,911,286,803.06/167,965.75 - Step 6: Final answer
x = 64,961.38
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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.