Finding the Fourth Proportional to 252,687.98, 348,739.99 and 143,818.78
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Solution
The fourth proportional to 252,687.98, 348,739.99 and 143,818.78 is: 198,487.32
Step by Step Solution
- Step 1: Write the proportion equation
252,687.98 : 348,739.99 = 143,818.78 : x - Step 2: Convert to fraction form
252,687.98/348,739.99 = 143,818.78/x - Step 3: Cross multiply
252,687.98x = 348,739.99 × 143,818.78 - Step 4: Simplify right side
252,687.98x = 50,155,359,899.01 - Step 5: Solve for x
x = 50,155,359,899.01/252,687.98 - Step 6: Final answer
x = 198,487.32
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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.