Finding the Fourth Proportional to 691,745.04, 1,037,649.36 and 211,938.48
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Solution
The fourth proportional to 691,745.04, 1,037,649.36 and 211,938.48 is: 317,917.46
Step by Step Solution
- Step 1: Write the proportion equation
691,745.04 : 1,037,649.36 = 211,938.48 : x - Step 2: Convert to fraction form
691,745.04/1,037,649.36 = 211,938.48/x - Step 3: Cross multiply
691,745.04x = 1,037,649.36 × 211,938.48 - Step 4: Simplify right side
691,745.04x = 219,917,828,131.37 - Step 5: Solve for x
x = 219,917,828,131.37/691,745.04 - Step 6: Final answer
x = 317,917.46
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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.