Finding the Fourth Proportional to 160,539.36, 240,817.68 and 66,950.88
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Solution
The fourth proportional to 160,539.36, 240,817.68 and 66,950.88 is: 100,429.92
Step by Step Solution
- Step 1: Write the proportion equation
160,539.36 : 240,817.68 = 66,950.88 : x - Step 2: Convert to fraction form
160,539.36/240,817.68 = 66,950.88/x - Step 3: Cross multiply
160,539.36x = 240,817.68 × 66,950.88 - Step 4: Simplify right side
160,539.36x = 16,122,955,595.56 - Step 5: Solve for x
x = 16,122,955,595.56/160,539.36 - Step 6: Final answer
x = 100,429.92
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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.