Finding the Fourth Proportional to 110,486.80, 165,787.80 and 48,163.60
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Solution
The fourth proportional to 110,486.80, 165,787.80 and 48,163.60 is: 72,270.51
Step by Step Solution
- Step 1: Write the proportion equation
110,486.80 : 165,787.80 = 48,163.60 : x - Step 2: Convert to fraction form
110,486.80/165,787.80 = 48,163.60/x - Step 3: Cross multiply
110,486.80x = 165,787.80 × 48,163.60 - Step 4: Simplify right side
110,486.80x = 7,984,937,284.08 - Step 5: Solve for x
x = 7,984,937,284.08/110,486.80 - Step 6: Final answer
x = 72,270.51
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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.