Finding the Fourth Proportional to 165,403.14, 248,004.82 and 74,201.84
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Solution
The fourth proportional to 165,403.14, 248,004.82 and 74,201.84 is: 111,257.95
Step by Step Solution
- Step 1: Write the proportion equation
165,403.14 : 248,004.82 = 74,201.84 : x - Step 2: Convert to fraction form
165,403.14/248,004.82 = 74,201.84/x - Step 3: Cross multiply
165,403.14x = 248,004.82 × 74,201.84 - Step 4: Simplify right side
165,403.14x = 18,402,415,141.71 - Step 5: Solve for x
x = 18,402,415,141.71/165,403.14 - Step 6: Final answer
x = 111,257.95
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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.