Finding the Fourth Proportional to 667,623.08, 1,001,435.34 and 168,987.08
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Solution
The fourth proportional to 667,623.08, 1,001,435.34 and 168,987.08 is: 253,480.80
Step by Step Solution
- Step 1: Write the proportion equation
667,623.08 : 1,001,435.34 = 168,987.08 : x - Step 2: Convert to fraction form
667,623.08/1,001,435.34 = 168,987.08/x - Step 3: Cross multiply
667,623.08x = 1,001,435.34 × 168,987.08 - Step 4: Simplify right side
667,623.08x = 169,229,633,915.41 - Step 5: Solve for x
x = 169,229,633,915.41/667,623.08 - Step 6: Final answer
x = 253,480.80
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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.