Finding the Fourth Proportional to 110,039.67, 151,855.97 and 62,291.97
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Solution
The fourth proportional to 110,039.67, 151,855.97 and 62,291.97 is: 85,963.61
Step by Step Solution
- Step 1: Write the proportion equation
110,039.67 : 151,855.97 = 62,291.97 : x - Step 2: Convert to fraction form
110,039.67/151,855.97 = 62,291.97/x - Step 3: Cross multiply
110,039.67x = 151,855.97 × 62,291.97 - Step 4: Simplify right side
110,039.67x = 9,459,407,216.10 - Step 5: Solve for x
x = 9,459,407,216.10/110,039.67 - Step 6: Final answer
x = 85,963.61
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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.