Finding the Fourth Proportional to 744,365.88, 1,116,381.12 and 211,875.12
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Solution
The fourth proportional to 744,365.88, 1,116,381.12 and 211,875.12 is: 317,764.95
Step by Step Solution
- Step 1: Write the proportion equation
744,365.88 : 1,116,381.12 = 211,875.12 : x - Step 2: Convert to fraction form
744,365.88/1,116,381.12 = 211,875.12/x - Step 3: Cross multiply
744,365.88x = 1,116,381.12 × 211,875.12 - Step 4: Simplify right side
744,365.88x = 236,533,383,765.73 - Step 5: Solve for x
x = 236,533,383,765.73/744,365.88 - Step 6: Final answer
x = 317,764.95
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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.