Finding the Fourth Proportional to 112,600.68, 155,381.94 and 62,299.68
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Solution
The fourth proportional to 112,600.68, 155,381.94 and 62,299.68 is: 85,969.69
Step by Step Solution
- Step 1: Write the proportion equation
112,600.68 : 155,381.94 = 62,299.68 : x - Step 2: Convert to fraction form
112,600.68/155,381.94 = 62,299.68/x - Step 3: Cross multiply
112,600.68x = 155,381.94 × 62,299.68 - Step 4: Simplify right side
112,600.68x = 9,680,245,139.78 - Step 5: Solve for x
x = 9,680,245,139.78/112,600.68 - Step 6: Final answer
x = 85,969.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.