Finding the Fourth Proportional to 320,206.53, 441,870.49 and 197,753.67
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Solution
The fourth proportional to 320,206.53, 441,870.49 and 197,753.67 is: 272,891.09
Step by Step Solution
- Step 1: Write the proportion equation
320,206.53 : 441,870.49 = 197,753.67 : x - Step 2: Convert to fraction form
320,206.53/441,870.49 = 197,753.67/x - Step 3: Cross multiply
320,206.53x = 441,870.49 × 197,753.67 - Step 4: Simplify right side
320,206.53x = 87,381,509,347.23 - Step 5: Solve for x
x = 87,381,509,347.23/320,206.53 - Step 6: Final answer
x = 272,891.09
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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.