Finding the Fourth Proportional to 490,810.88, 736,232.74 and 135,795.18
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Solution
The fourth proportional to 490,810.88, 736,232.74 and 135,795.18 is: 203,697.31
Step by Step Solution
- Step 1: Write the proportion equation
490,810.88 : 736,232.74 = 135,795.18 : x - Step 2: Convert to fraction form
490,810.88/736,232.74 = 135,795.18/x - Step 3: Cross multiply
490,810.88x = 736,232.74 × 135,795.18 - Step 4: Simplify right side
490,810.88x = 99,976,857,450.19 - Step 5: Solve for x
x = 99,976,857,450.19/490,810.88 - Step 6: Final answer
x = 203,697.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.