Finding the Fourth Proportional to 197,332.20, 295,998.30 and 137,197.80
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Solution
The fourth proportional to 197,332.20, 295,998.30 and 137,197.80 is: 205,796.70
Step by Step Solution
- Step 1: Write the proportion equation
197,332.20 : 295,998.30 = 137,197.80 : x - Step 2: Convert to fraction form
197,332.20/295,998.30 = 137,197.80/x - Step 3: Cross multiply
197,332.20x = 295,998.30 × 137,197.80 - Step 4: Simplify right side
197,332.20x = 40,610,315,563.74 - Step 5: Solve for x
x = 40,610,315,563.74/197,332.20 - Step 6: Final answer
x = 205,796.70
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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.