Finding the Fourth Proportional to 421,148.34, 580,199.49 and 293,596.02
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Solution
The fourth proportional to 421,148.34, 580,199.49 and 293,596.02 is: 404,475.68
Step by Step Solution
- Step 1: Write the proportion equation
421,148.34 : 580,199.49 = 293,596.02 : x - Step 2: Convert to fraction form
421,148.34/580,199.49 = 293,596.02/x - Step 3: Cross multiply
421,148.34x = 580,199.49 × 293,596.02 - Step 4: Simplify right side
421,148.34x = 170,344,261,070.03 - Step 5: Solve for x
x = 170,344,261,070.03/421,148.34 - Step 6: Final answer
x = 404,475.68
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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.