Finding the Fourth Proportional to 446,319.54, 668,635.11 and 345,988.08
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Solution
The fourth proportional to 446,319.54, 668,635.11 and 345,988.08 is: 518,327.69
Step by Step Solution
- Step 1: Write the proportion equation
446,319.54 : 668,635.11 = 345,988.08 : x - Step 2: Convert to fraction form
446,319.54/668,635.11 = 345,988.08/x - Step 3: Cross multiply
446,319.54x = 668,635.11 × 345,988.08 - Step 4: Simplify right side
446,319.54x = 231,339,777,929.49 - Step 5: Solve for x
x = 231,339,777,929.49/446,319.54 - Step 6: Final answer
x = 518,327.69
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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.