Finding the Fourth Proportional to 135,492.99, 203,365.53 and 68,982.87
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Solution
The fourth proportional to 135,492.99, 203,365.53 and 68,982.87 is: 103,538.48
Step by Step Solution
- Step 1: Write the proportion equation
135,492.99 : 203,365.53 = 68,982.87 : x - Step 2: Convert to fraction form
135,492.99/203,365.53 = 68,982.87/x - Step 3: Cross multiply
135,492.99x = 203,365.53 × 68,982.87 - Step 4: Simplify right side
135,492.99x = 14,028,737,918.47 - Step 5: Solve for x
x = 14,028,737,918.47/135,492.99 - Step 6: Final answer
x = 103,538.48
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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.