Finding the Fourth Proportional to 479,447.21, 661,885.91 and 350,240.60
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Solution
The fourth proportional to 479,447.21, 661,885.91 and 350,240.60 is: 483,513.74
Step by Step Solution
- Step 1: Write the proportion equation
479,447.21 : 661,885.91 = 350,240.60 : x - Step 2: Convert to fraction form
479,447.21/661,885.91 = 350,240.60/x - Step 3: Cross multiply
479,447.21x = 661,885.91 × 350,240.60 - Step 4: Simplify right side
479,447.21x = 231,819,313,189.31 - Step 5: Solve for x
x = 231,819,313,189.31/479,447.21 - Step 6: Final answer
x = 483,513.74
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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.