Finding the Fourth Proportional to 252,075.66, 347,881.26 and 138,898.41
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Solution
The fourth proportional to 252,075.66, 347,881.26 and 138,898.41 is: 191,689.09
Step by Step Solution
- Step 1: Write the proportion equation
252,075.66 : 347,881.26 = 138,898.41 : x - Step 2: Convert to fraction form
252,075.66/347,881.26 = 138,898.41/x - Step 3: Cross multiply
252,075.66x = 347,881.26 × 138,898.41 - Step 4: Simplify right side
252,075.66x = 48,320,153,099.11 - Step 5: Solve for x
x = 48,320,153,099.11/252,075.66 - Step 6: Final answer
x = 191,689.09
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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.