Finding the Fourth Proportional to 198,223.19, 273,775.05 and 130,542.68
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Solution
The fourth proportional to 198,223.19, 273,775.05 and 130,542.68 is: 180,298.42
Step by Step Solution
- Step 1: Write the proportion equation
198,223.19 : 273,775.05 = 130,542.68 : x - Step 2: Convert to fraction form
198,223.19/273,775.05 = 130,542.68/x - Step 3: Cross multiply
198,223.19x = 273,775.05 × 130,542.68 - Step 4: Simplify right side
198,223.19x = 35,739,328,744.13 - Step 5: Solve for x
x = 35,739,328,744.13/198,223.19 - Step 6: Final answer
x = 180,298.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.