Finding the Fourth Proportional to 636,207.21, 877,967.00 and 349,729.11
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Solution
The fourth proportional to 636,207.21, 877,967.00 and 349,729.11 is: 482,626.75
Step by Step Solution
- Step 1: Write the proportion equation
636,207.21 : 877,967.00 = 349,729.11 : x - Step 2: Convert to fraction form
636,207.21/877,967.00 = 349,729.11/x - Step 3: Cross multiply
636,207.21x = 877,967.00 × 349,729.11 - Step 4: Simplify right side
636,207.21x = 307,050,615,770.72 - Step 5: Solve for x
x = 307,050,615,770.72/636,207.21 - Step 6: Final answer
x = 482,626.75
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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.