Finding the Fourth Proportional to 539,636.42, 809,313.62 and 160,455.06
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Solution
The fourth proportional to 539,636.42, 809,313.62 and 160,455.06 is: 240,640.66
Step by Step Solution
- Step 1: Write the proportion equation
539,636.42 : 809,313.62 = 160,455.06 : x - Step 2: Convert to fraction form
539,636.42/809,313.62 = 160,455.06/x - Step 3: Cross multiply
539,636.42x = 809,313.62 × 160,455.06 - Step 4: Simplify right side
539,636.42x = 129,858,465,455.92 - Step 5: Solve for x
x = 129,858,465,455.92/539,636.42 - Step 6: Final answer
x = 240,640.66
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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.