Finding the Fourth Proportional to 539,741.85, 809,471.47 and 160,560.49
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Solution
The fourth proportional to 539,741.85, 809,471.47 and 160,560.49 is: 240,798.70
Step by Step Solution
- Step 1: Write the proportion equation
539,741.85 : 809,471.47 = 160,560.49 : x - Step 2: Convert to fraction form
539,741.85/809,471.47 = 160,560.49/x - Step 3: Cross multiply
539,741.85x = 809,471.47 × 160,560.49 - Step 4: Simplify right side
539,741.85x = 129,969,135,864.22 - Step 5: Solve for x
x = 129,969,135,864.22/539,741.85 - Step 6: Final answer
x = 240,798.70
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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.