Finding the Fourth Proportional to 300,855.80, 451,283.70 and 134,643.80
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Solution
The fourth proportional to 300,855.80, 451,283.70 and 134,643.80 is: 201,965.70
Step by Step Solution
- Step 1: Write the proportion equation
300,855.80 : 451,283.70 = 134,643.80 : x - Step 2: Convert to fraction form
300,855.80/451,283.70 = 134,643.80/x - Step 3: Cross multiply
300,855.80x = 451,283.70 × 134,643.80 - Step 4: Simplify right side
300,855.80x = 60,762,552,246.06 - Step 5: Solve for x
x = 60,762,552,246.06/300,855.80 - Step 6: Final answer
x = 201,965.70
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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.