Finding the Fourth Proportional to 654,649.75, 903,410.74 and 368,163.68
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Solution
The fourth proportional to 654,649.75, 903,410.74 and 368,163.68 is: 508,062.56
Step by Step Solution
- Step 1: Write the proportion equation
654,649.75 : 903,410.74 = 368,163.68 : x - Step 2: Convert to fraction form
654,649.75/903,410.74 = 368,163.68/x - Step 3: Cross multiply
654,649.75x = 903,410.74 × 368,163.68 - Step 4: Simplify right side
654,649.75x = 332,603,024,650.22 - Step 5: Solve for x
x = 332,603,024,650.22/654,649.75 - Step 6: Final answer
x = 508,062.56
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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.