Finding the Fourth Proportional to 747,744.94, 1,121,619.84 and 186,779.44
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Solution
The fourth proportional to 747,744.94, 1,121,619.84 and 186,779.44 is: 280,169.77
Step by Step Solution
- Step 1: Write the proportion equation
747,744.94 : 1,121,619.84 = 186,779.44 : x - Step 2: Convert to fraction form
747,744.94/1,121,619.84 = 186,779.44/x - Step 3: Cross multiply
747,744.94x = 1,121,619.84 × 186,779.44 - Step 4: Simplify right side
747,744.94x = 209,495,525,608.09 - Step 5: Solve for x
x = 209,495,525,608.09/747,744.94 - Step 6: Final answer
x = 280,169.77
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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.