Finding the Fourth Proportional to 261,381.12, 360,650.84 and 170,870.30
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Solution
The fourth proportional to 261,381.12, 360,650.84 and 170,870.30 is: 235,764.99
Step by Step Solution
- Step 1: Write the proportion equation
261,381.12 : 360,650.84 = 170,870.30 : x - Step 2: Convert to fraction form
261,381.12/360,650.84 = 170,870.30/x - Step 3: Cross multiply
261,381.12x = 360,650.84 × 170,870.30 - Step 4: Simplify right side
261,381.12x = 61,624,517,226.05 - Step 5: Solve for x
x = 61,624,517,226.05/261,381.12 - Step 6: Final answer
x = 235,764.99
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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.