Finding the Fourth Proportional to 343,527.40, 515,291.10 and 203,213.80
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Solution
The fourth proportional to 343,527.40, 515,291.10 and 203,213.80 is: 304,820.70
Step by Step Solution
- Step 1: Write the proportion equation
343,527.40 : 515,291.10 = 203,213.80 : x - Step 2: Convert to fraction form
343,527.40/515,291.10 = 203,213.80/x - Step 3: Cross multiply
343,527.40x = 515,291.10 × 203,213.80 - Step 4: Simplify right side
343,527.40x = 104,714,262,537.18 - Step 5: Solve for x
x = 104,714,262,537.18/343,527.40 - Step 6: Final answer
x = 304,820.70
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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.