Finding the Fourth Proportional to 299,233.98, 448,850.91 and 128,418.66
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Solution
The fourth proportional to 299,233.98, 448,850.91 and 128,418.66 is: 192,627.96
Step by Step Solution
- Step 1: Write the proportion equation
299,233.98 : 448,850.91 = 128,418.66 : x - Step 2: Convert to fraction form
299,233.98/448,850.91 = 128,418.66/x - Step 3: Cross multiply
299,233.98x = 448,850.91 × 128,418.66 - Step 4: Simplify right side
299,233.98x = 57,640,832,401.98 - Step 5: Solve for x
x = 57,640,832,401.98/299,233.98 - Step 6: Final answer
x = 192,627.96
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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.