Finding the Fourth Proportional to 99,402.44, 149,102.96 and 40,237.25
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Solution
The fourth proportional to 99,402.44, 149,102.96 and 40,237.25 is: 60,355.59
Step by Step Solution
- Step 1: Write the proportion equation
99,402.44 : 149,102.96 = 40,237.25 : x - Step 2: Convert to fraction form
99,402.44/149,102.96 = 40,237.25/x - Step 3: Cross multiply
99,402.44x = 149,102.96 × 40,237.25 - Step 4: Simplify right side
99,402.44x = 5,999,492,130.56 - Step 5: Solve for x
x = 5,999,492,130.56/99,402.44 - Step 6: Final answer
x = 60,355.59
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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.