Finding the Fourth Proportional to 99,448.97, 149,197.14 and 29,328.28
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Solution
The fourth proportional to 99,448.97, 149,197.14 and 29,328.28 is: 43,999.40
Step by Step Solution
- Step 1: Write the proportion equation
99,448.97 : 149,197.14 = 29,328.28 : x - Step 2: Convert to fraction form
99,448.97/149,197.14 = 29,328.28/x - Step 3: Cross multiply
99,448.97x = 149,197.14 × 29,328.28 - Step 4: Simplify right side
99,448.97x = 4,375,695,124.13 - Step 5: Solve for x
x = 4,375,695,124.13/99,448.97 - Step 6: Final answer
x = 43,999.40
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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.