Finding the Fourth Proportional to 539,628.43, 809,301.63 and 160,447.05
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Solution
The fourth proportional to 539,628.43, 809,301.63 and 160,447.05 is: 240,628.65
Step by Step Solution
- Step 1: Write the proportion equation
539,628.43 : 809,301.63 = 160,447.05 : x - Step 2: Convert to fraction form
539,628.43/809,301.63 = 160,447.05/x - Step 3: Cross multiply
539,628.43x = 809,301.63 × 160,447.05 - Step 4: Simplify right side
539,628.43x = 129,850,061,069.01 - Step 5: Solve for x
x = 129,850,061,069.01/539,628.43 - Step 6: Final answer
x = 240,628.65
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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.