Finding the Fourth Proportional to 419,604.08, 629,954.91 and 249,136.99
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Solution
The fourth proportional to 419,604.08, 629,954.91 and 249,136.99 is: 374,031.32
Step by Step Solution
- Step 1: Write the proportion equation
419,604.08 : 629,954.91 = 249,136.99 : x - Step 2: Convert to fraction form
419,604.08/629,954.91 = 249,136.99/x - Step 3: Cross multiply
419,604.08x = 629,954.91 × 249,136.99 - Step 4: Simplify right side
419,604.08x = 156,945,066,963.35 - Step 5: Solve for x
x = 156,945,066,963.35/419,604.08 - Step 6: Final answer
x = 374,031.32
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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.