Finding the Fourth Proportional to 303,515.08, 418,873.98 and 167,575.20
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Solution
The fourth proportional to 303,515.08, 418,873.98 and 167,575.20 is: 231,266.57
Step by Step Solution
- Step 1: Write the proportion equation
303,515.08 : 418,873.98 = 167,575.20 : x - Step 2: Convert to fraction form
303,515.08/418,873.98 = 167,575.20/x - Step 3: Cross multiply
303,515.08x = 418,873.98 × 167,575.20 - Step 4: Simplify right side
303,515.08x = 70,192,890,973.30 - Step 5: Solve for x
x = 70,192,890,973.30/303,515.08 - Step 6: Final answer
x = 231,266.57
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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.