Finding the Fourth Proportional to 539,636.48, 809,313.65 and 160,455.09
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Solution
The fourth proportional to 539,636.48, 809,313.65 and 160,455.09 is: 240,640.69
Step by Step Solution
- Step 1: Write the proportion equation
539,636.48 : 809,313.65 = 160,455.09 : x - Step 2: Convert to fraction form
539,636.48/809,313.65 = 160,455.09/x - Step 3: Cross multiply
539,636.48x = 809,313.65 × 160,455.09 - Step 4: Simplify right side
539,636.48x = 129,858,494,548.98 - Step 5: Solve for x
x = 129,858,494,548.98/539,636.48 - Step 6: Final answer
x = 240,640.69
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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.