Finding the Fourth Proportional to 320,207.53, 441,871.87 and 197,754.67
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Solution
The fourth proportional to 320,207.53, 441,871.87 and 197,754.67 is: 272,892.48
Step by Step Solution
- Step 1: Write the proportion equation
320,207.53 : 441,871.87 = 197,754.67 : x - Step 2: Convert to fraction form
320,207.53/441,871.87 = 197,754.67/x - Step 3: Cross multiply
320,207.53x = 441,871.87 × 197,754.67 - Step 4: Simplify right side
320,207.53x = 87,382,225,834.13 - Step 5: Solve for x
x = 87,382,225,834.13/320,207.53 - Step 6: Final answer
x = 272,892.48
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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.