Finding the Fourth Proportional to 313,506.18, 432,665.21 and 177,564.31
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Solution
The fourth proportional to 313,506.18, 432,665.21 and 177,564.31 is: 245,053.86
Step by Step Solution
- Step 1: Write the proportion equation
313,506.18 : 432,665.21 = 177,564.31 : x - Step 2: Convert to fraction form
313,506.18/432,665.21 = 177,564.31/x - Step 3: Cross multiply
313,506.18x = 432,665.21 × 177,564.31 - Step 4: Simplify right side
313,506.18x = 76,825,898,836.90 - Step 5: Solve for x
x = 76,825,898,836.90/313,506.18 - Step 6: Final answer
x = 245,053.86
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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.