Finding the Fourth Proportional to 110,797.44, 152,822.88 and 74,971.68
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Solution
The fourth proportional to 110,797.44, 152,822.88 and 74,971.68 is: 103,408.42
Step by Step Solution
- Step 1: Write the proportion equation
110,797.44 : 152,822.88 = 74,971.68 : x - Step 2: Convert to fraction form
110,797.44/152,822.88 = 74,971.68/x - Step 3: Cross multiply
110,797.44x = 152,822.88 × 74,971.68 - Step 4: Simplify right side
110,797.44x = 11,457,388,056.04 - Step 5: Solve for x
x = 11,457,388,056.04/110,797.44 - Step 6: Final answer
x = 103,408.42
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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.