Finding the Fourth Proportional to 471,921.04, 651,232.67 and 288,466.77
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Solution
The fourth proportional to 471,921.04, 651,232.67 and 288,466.77 is: 398,072.92
Step by Step Solution
- Step 1: Write the proportion equation
471,921.04 : 651,232.67 = 288,466.77 : x - Step 2: Convert to fraction form
471,921.04/651,232.67 = 288,466.77/x - Step 3: Cross multiply
471,921.04x = 651,232.67 × 288,466.77 - Step 4: Simplify right side
471,921.04x = 187,858,984,833.38 - Step 5: Solve for x
x = 187,858,984,833.38/471,921.04 - Step 6: Final answer
x = 398,072.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.