Finding the Fourth Proportional to 313,235.66, 432,202.67 and 190,645.92
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Solution
The fourth proportional to 313,235.66, 432,202.67 and 190,645.92 is: 263,053.31
Step by Step Solution
- Step 1: Write the proportion equation
313,235.66 : 432,202.67 = 190,645.92 : x - Step 2: Convert to fraction form
313,235.66/432,202.67 = 190,645.92/x - Step 3: Cross multiply
313,235.66x = 432,202.67 × 190,645.92 - Step 4: Simplify right side
313,235.66x = 82,397,674,695.38 - Step 5: Solve for x
x = 82,397,674,695.38/313,235.66 - Step 6: Final answer
x = 263,053.31
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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.