Finding the Fourth Proportional to 165,723.70, 248,585.55 and 161,115.70
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Solution
The fourth proportional to 165,723.70, 248,585.55 and 161,115.70 is: 241,673.55
Step by Step Solution
- Step 1: Write the proportion equation
165,723.70 : 248,585.55 = 161,115.70 : x - Step 2: Convert to fraction form
165,723.70/248,585.55 = 161,115.70/x - Step 3: Cross multiply
165,723.70x = 248,585.55 × 161,115.70 - Step 4: Simplify right side
165,723.70x = 40,051,034,898.14 - Step 5: Solve for x
x = 40,051,034,898.14/165,723.70 - Step 6: Final answer
x = 241,673.55
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1.5x scale
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.