Finding the Fourth Proportional to 165,769.21, 248,655.55 and 132,699.49
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Solution
The fourth proportional to 165,769.21, 248,655.55 and 132,699.49 is: 199,050.62
Step by Step Solution
- Step 1: Write the proportion equation
165,769.21 : 248,655.55 = 132,699.49 : x - Step 2: Convert to fraction form
165,769.21/248,655.55 = 132,699.49/x - Step 3: Cross multiply
165,769.21x = 248,655.55 × 132,699.49 - Step 4: Simplify right side
165,769.21x = 32,996,464,670.67 - Step 5: Solve for x
x = 32,996,464,670.67/165,769.21 - Step 6: Final answer
x = 199,050.62
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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.