Finding the Fourth Proportional to 397,026.14, 547,895.04 and 215,738.09
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Solution
The fourth proportional to 397,026.14, 547,895.04 and 215,738.09 is: 297,718.00
Step by Step Solution
- Step 1: Write the proportion equation
397,026.14 : 547,895.04 = 215,738.09 : x - Step 2: Convert to fraction form
397,026.14/547,895.04 = 215,738.09/x - Step 3: Cross multiply
397,026.14x = 547,895.04 × 215,738.09 - Step 4: Simplify right side
397,026.14x = 118,201,829,450.07 - Step 5: Solve for x
x = 118,201,829,450.07/397,026.14 - Step 6: Final answer
x = 297,718.00
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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.