Finding the Fourth Proportional to 99,629.12, 149,444.16 and 29,509.76
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Solution
The fourth proportional to 99,629.12, 149,444.16 and 29,509.76 is: 44,264.78
Step by Step Solution
- Step 1: Write the proportion equation
99,629.12 : 149,444.16 = 29,509.76 : x - Step 2: Convert to fraction form
99,629.12/149,444.16 = 29,509.76/x - Step 3: Cross multiply
99,629.12x = 149,444.16 × 29,509.76 - Step 4: Simplify right side
99,629.12x = 4,410,061,295.00 - Step 5: Solve for x
x = 4,410,061,295.00/99,629.12 - Step 6: Final answer
x = 44,264.78
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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.