Finding the Fourth Proportional to 132,593.12, 198,889.44 and 39,164.48
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Solution
The fourth proportional to 132,593.12, 198,889.44 and 39,164.48 is: 58,746.65
Step by Step Solution
- Step 1: Write the proportion equation
132,593.12 : 198,889.44 = 39,164.48 : x - Step 2: Convert to fraction form
132,593.12/198,889.44 = 39,164.48/x - Step 3: Cross multiply
132,593.12x = 198,889.44 × 39,164.48 - Step 4: Simplify right side
132,593.12x = 7,789,401,495.09 - Step 5: Solve for x
x = 7,789,401,495.09/132,593.12 - Step 6: Final answer
x = 58,746.65
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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.