Finding the Fourth Proportional to 167,915.67, 251,873.55 and 55,565.70
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Solution
The fourth proportional to 167,915.67, 251,873.55 and 55,565.70 is: 83,348.56
Step by Step Solution
- Step 1: Write the proportion equation
167,915.67 : 251,873.55 = 55,565.70 : x - Step 2: Convert to fraction form
167,915.67/251,873.55 = 55,565.70/x - Step 3: Cross multiply
167,915.67x = 251,873.55 × 55,565.70 - Step 4: Simplify right side
167,915.67x = 13,995,530,117.24 - Step 5: Solve for x
x = 13,995,530,117.24/167,915.67 - Step 6: Final answer
x = 83,348.56
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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.