Finding the Fourth Proportional to 197,203.80, 295,805.70 and 185,539.80
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Solution
The fourth proportional to 197,203.80, 295,805.70 and 185,539.80 is: 278,309.70
Step by Step Solution
- Step 1: Write the proportion equation
197,203.80 : 295,805.70 = 185,539.80 : x - Step 2: Convert to fraction form
197,203.80/295,805.70 = 185,539.80/x - Step 3: Cross multiply
197,203.80x = 295,805.70 × 185,539.80 - Step 4: Simplify right side
197,203.80x = 54,883,730,416.86 - Step 5: Solve for x
x = 54,883,730,416.86/197,203.80 - Step 6: Final answer
x = 278,309.70
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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.