Finding the Fourth Proportional to 539,407.98, 809,243.73 and 179,578.08
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Solution
The fourth proportional to 539,407.98, 809,243.73 and 179,578.08 is: 269,410.99
Step by Step Solution
- Step 1: Write the proportion equation
539,407.98 : 809,243.73 = 179,578.08 : x - Step 2: Convert to fraction form
539,407.98/809,243.73 = 179,578.08/x - Step 3: Cross multiply
539,407.98x = 809,243.73 × 179,578.08 - Step 4: Simplify right side
539,407.98x = 145,322,435,285.44 - Step 5: Solve for x
x = 145,322,435,285.44/539,407.98 - Step 6: Final answer
x = 269,410.99
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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.