Finding the Fourth Proportional to 313,602.82, 432,775.57 and 170,365.12
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Solution
The fourth proportional to 313,602.82, 432,775.57 and 170,365.12 is: 235,105.86
Step by Step Solution
- Step 1: Write the proportion equation
313,602.82 : 432,775.57 = 170,365.12 : x - Step 2: Convert to fraction form
313,602.82/432,775.57 = 170,365.12/x - Step 3: Cross multiply
313,602.82x = 432,775.57 × 170,365.12 - Step 4: Simplify right side
313,602.82x = 73,729,859,752.24 - Step 5: Solve for x
x = 73,729,859,752.24/313,602.82 - Step 6: Final answer
x = 235,105.86
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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.