Finding the Fourth Proportional to 450,778.24, 622,090.76 and 257,217.48
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Solution
The fourth proportional to 450,778.24, 622,090.76 and 257,217.48 is: 354,969.70
Step by Step Solution
- Step 1: Write the proportion equation
450,778.24 : 622,090.76 = 257,217.48 : x - Step 2: Convert to fraction form
450,778.24/622,090.76 = 257,217.48/x - Step 3: Cross multiply
450,778.24x = 622,090.76 × 257,217.48 - Step 4: Simplify right side
450,778.24x = 160,012,617,618.49 - Step 5: Solve for x
x = 160,012,617,618.49/450,778.24 - Step 6: Final answer
x = 354,969.70
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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.