Finding the Fourth Proportional to 110,353.12, 165,414.75 and 51,140.14
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Solution
The fourth proportional to 110,353.12, 165,414.75 and 51,140.14 is: 76,656.95
Step by Step Solution
- Step 1: Write the proportion equation
110,353.12 : 165,414.75 = 51,140.14 : x - Step 2: Convert to fraction form
110,353.12/165,414.75 = 51,140.14/x - Step 3: Cross multiply
110,353.12x = 165,414.75 × 51,140.14 - Step 4: Simplify right side
110,353.12x = 8,459,333,473.07 - Step 5: Solve for x
x = 8,459,333,473.07/110,353.12 - Step 6: Final answer
x = 76,656.95
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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.