Finding the Fourth Proportional to 135,483.84, 203,350.50 and 68,971.50
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Solution
The fourth proportional to 135,483.84, 203,350.50 and 68,971.50 is: 103,520.75
Step by Step Solution
- Step 1: Write the proportion equation
135,483.84 : 203,350.50 = 68,971.50 : x - Step 2: Convert to fraction form
135,483.84/203,350.50 = 68,971.50/x - Step 3: Cross multiply
135,483.84x = 203,350.50 × 68,971.50 - Step 4: Simplify right side
135,483.84x = 14,025,389,010.75 - Step 5: Solve for x
x = 14,025,389,010.75/135,483.84 - Step 6: Final answer
x = 103,520.75
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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.