Finding the Fourth Proportional to 183,647.76, 253,458.60 and 103,079.68
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Solution
The fourth proportional to 183,647.76, 253,458.60 and 103,079.68 is: 142,263.82
Step by Step Solution
- Step 1: Write the proportion equation
183,647.76 : 253,458.60 = 103,079.68 : x - Step 2: Convert to fraction form
183,647.76/253,458.60 = 103,079.68/x - Step 3: Cross multiply
183,647.76x = 253,458.60 × 103,079.68 - Step 4: Simplify right side
183,647.76x = 26,126,431,381.25 - Step 5: Solve for x
x = 26,126,431,381.25/183,647.76 - Step 6: Final answer
x = 142,263.82
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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.