Finding the Fourth Proportional to 167,915.76, 231,740.08 and 125,400.48
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Solution
The fourth proportional to 167,915.76, 231,740.08 and 125,400.48 is: 173,064.86
Step by Step Solution
- Step 1: Write the proportion equation
167,915.76 : 231,740.08 = 125,400.48 : x - Step 2: Convert to fraction form
167,915.76/231,740.08 = 125,400.48/x - Step 3: Cross multiply
167,915.76x = 231,740.08 × 125,400.48 - Step 4: Simplify right side
167,915.76x = 29,060,317,267.24 - Step 5: Solve for x
x = 29,060,317,267.24/167,915.76 - Step 6: Final answer
x = 173,064.86
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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.