Finding the Fourth Proportional to 155,236.96, 232,660.63 and 66,385.99
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Solution
The fourth proportional to 155,236.96, 232,660.63 and 66,385.99 is: 99,495.68
Step by Step Solution
- Step 1: Write the proportion equation
155,236.96 : 232,660.63 = 66,385.99 : x - Step 2: Convert to fraction form
155,236.96/232,660.63 = 66,385.99/x - Step 3: Cross multiply
155,236.96x = 232,660.63 × 66,385.99 - Step 4: Simplify right side
155,236.96x = 15,445,406,256.57 - Step 5: Solve for x
x = 15,445,406,256.57/155,236.96 - Step 6: Final answer
x = 99,495.68
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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.