Finding the Fourth Proportional to 534,178.72, 737,666.16 and 343,523.08
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Solution
The fourth proportional to 534,178.72, 737,666.16 and 343,523.08 is: 474,383.09
Step by Step Solution
- Step 1: Write the proportion equation
534,178.72 : 737,666.16 = 343,523.08 : x - Step 2: Convert to fraction form
534,178.72/737,666.16 = 343,523.08/x - Step 3: Cross multiply
534,178.72x = 737,666.16 × 343,523.08 - Step 4: Simplify right side
534,178.72x = 253,405,351,294.97 - Step 5: Solve for x
x = 253,405,351,294.97/534,178.72 - Step 6: Final answer
x = 474,383.09
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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.