Finding the Fourth Proportional to 451,234.18, 622,986.24 and 290,368.79
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Solution
The fourth proportional to 451,234.18, 622,986.24 and 290,368.79 is: 400,891.08
Step by Step Solution
- Step 1: Write the proportion equation
451,234.18 : 622,986.24 = 290,368.79 : x - Step 2: Convert to fraction form
451,234.18/622,986.24 = 290,368.79/x - Step 3: Cross multiply
451,234.18x = 622,986.24 × 290,368.79 - Step 4: Simplify right side
451,234.18x = 180,895,759,916.72 - Step 5: Solve for x
x = 180,895,759,916.72/451,234.18 - Step 6: Final answer
x = 400,891.08
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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.