Finding the Fourth Proportional to 303,118.72, 418,327.68 and 167,165.08
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Solution
The fourth proportional to 303,118.72, 418,327.68 and 167,165.08 is: 230,700.96
Step by Step Solution
- Step 1: Write the proportion equation
303,118.72 : 418,327.68 = 167,165.08 : x - Step 2: Convert to fraction form
303,118.72/418,327.68 = 167,165.08/x - Step 3: Cross multiply
303,118.72x = 418,327.68 × 167,165.08 - Step 4: Simplify right side
303,118.72x = 69,929,780,093.41 - Step 5: Solve for x
x = 69,929,780,093.41/303,118.72 - Step 6: Final answer
x = 230,700.96
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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.