Finding the Fourth Proportional to 165,617.52, 248,115.24 and 128,500.08
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Solution
The fourth proportional to 165,617.52, 248,115.24 and 128,500.08 is: 192,508.79
Step by Step Solution
- Step 1: Write the proportion equation
165,617.52 : 248,115.24 = 128,500.08 : x - Step 2: Convert to fraction form
165,617.52/248,115.24 = 128,500.08/x - Step 3: Cross multiply
165,617.52x = 248,115.24 × 128,500.08 - Step 4: Simplify right side
165,617.52x = 31,882,828,189.22 - Step 5: Solve for x
x = 31,882,828,189.22/165,617.52 - Step 6: Final answer
x = 192,508.79
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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.