Finding the Fourth Proportional to 295,949.80, 443,924.70 and 129,737.80
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Solution
The fourth proportional to 295,949.80, 443,924.70 and 129,737.80 is: 194,606.70
Step by Step Solution
- Step 1: Write the proportion equation
295,949.80 : 443,924.70 = 129,737.80 : x - Step 2: Convert to fraction form
295,949.80/443,924.70 = 129,737.80/x - Step 3: Cross multiply
295,949.80x = 443,924.70 × 129,737.80 - Step 4: Simplify right side
295,949.80x = 57,593,813,943.66 - Step 5: Solve for x
x = 57,593,813,943.66/295,949.80 - Step 6: Final answer
x = 194,606.70
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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.