Finding the Fourth Proportional to 134,539.20, 201,808.80 and 119,764.80
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Solution
The fourth proportional to 134,539.20, 201,808.80 and 119,764.80 is: 179,647.20
Step by Step Solution
- Step 1: Write the proportion equation
134,539.20 : 201,808.80 = 119,764.80 : x - Step 2: Convert to fraction form
134,539.20/201,808.80 = 119,764.80/x - Step 3: Cross multiply
134,539.20x = 201,808.80 × 119,764.80 - Step 4: Simplify right side
134,539.20x = 24,169,590,570.24 - Step 5: Solve for x
x = 24,169,590,570.24/134,539.20 - Step 6: Final answer
x = 179,647.20
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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.