Finding the Fourth Proportional to 99,973.54, 149,960.28 and 40,028.99
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Solution
The fourth proportional to 99,973.54, 149,960.28 and 40,028.99 is: 60,043.48
Step by Step Solution
- Step 1: Write the proportion equation
99,973.54 : 149,960.28 = 40,028.99 : x - Step 2: Convert to fraction form
99,973.54/149,960.28 = 40,028.99/x - Step 3: Cross multiply
99,973.54x = 149,960.28 × 40,028.99 - Step 4: Simplify right side
99,973.54x = 6,002,758,548.52 - Step 5: Solve for x
x = 6,002,758,548.52/99,973.54 - Step 6: Final answer
x = 60,043.48
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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.