Finding the Fourth Proportional to 539,403.20, 809,104.80 and 184,428.80
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Solution
The fourth proportional to 539,403.20, 809,104.80 and 184,428.80 is: 276,643.20
Step by Step Solution
- Step 1: Write the proportion equation
539,403.20 : 809,104.80 = 184,428.80 : x - Step 2: Convert to fraction form
539,403.20/809,104.80 = 184,428.80/x - Step 3: Cross multiply
539,403.20x = 809,104.80 × 184,428.80 - Step 4: Simplify right side
539,403.20x = 149,222,227,338.24 - Step 5: Solve for x
x = 149,222,227,338.24/539,403.20 - Step 6: Final answer
x = 276,643.20
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Similar ratio
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1.5x scale
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.