Finding the Fourth Proportional to 99,492.08, 149,254.32 and 29,378.48
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Solution
The fourth proportional to 99,492.08, 149,254.32 and 29,378.48 is: 44,072.50
Step by Step Solution
- Step 1: Write the proportion equation
99,492.08 : 149,254.32 = 29,378.48 : x - Step 2: Convert to fraction form
99,492.08/149,254.32 = 29,378.48/x - Step 3: Cross multiply
99,492.08x = 149,254.32 × 29,378.48 - Step 4: Simplify right side
99,492.08x = 4,384,865,055.03 - Step 5: Solve for x
x = 4,384,865,055.03/99,492.08 - Step 6: Final answer
x = 44,072.50
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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.