Finding the Fourth Proportional to 335,236.84, 502,523.11 and 157,425.55
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Solution
The fourth proportional to 335,236.84, 502,523.11 and 157,425.55 is: 235,982.35
Step by Step Solution
- Step 1: Write the proportion equation
335,236.84 : 502,523.11 = 157,425.55 : x - Step 2: Convert to fraction form
335,236.84/502,523.11 = 157,425.55/x - Step 3: Cross multiply
335,236.84x = 502,523.11 × 157,425.55 - Step 4: Simplify right side
335,236.84x = 79,109,976,979.46 - Step 5: Solve for x
x = 79,109,976,979.46/335,236.84 - Step 6: Final answer
x = 235,982.35
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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.