Finding the Fourth Proportional to 313,620.06, 432,804.55 and 177,653.97
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Solution
The fourth proportional to 313,620.06, 432,804.55 and 177,653.97 is: 245,167.51
Step by Step Solution
- Step 1: Write the proportion equation
313,620.06 : 432,804.55 = 177,653.97 : x - Step 2: Convert to fraction form
313,620.06/432,804.55 = 177,653.97/x - Step 3: Cross multiply
313,620.06x = 432,804.55 × 177,653.97 - Step 4: Simplify right side
313,620.06x = 76,889,446,541.56 - Step 5: Solve for x
x = 76,889,446,541.56/313,620.06 - Step 6: Final answer
x = 245,167.51
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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.