Finding the Fourth Proportional to 539,645.99, 809,327.93 and 160,464.60
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Solution
The fourth proportional to 539,645.99, 809,327.93 and 160,464.60 is: 240,654.96
Step by Step Solution
- Step 1: Write the proportion equation
539,645.99 : 809,327.93 = 160,464.60 : x - Step 2: Convert to fraction form
539,645.99/809,327.93 = 160,464.60/x - Step 3: Cross multiply
539,645.99x = 809,327.93 × 160,464.60 - Step 4: Simplify right side
539,645.99x = 129,868,481,753.96 - Step 5: Solve for x
x = 129,868,481,753.96/539,645.99 - Step 6: Final answer
x = 240,654.96
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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.