Finding the Fourth Proportional to 313,735.24, 432,953.44 and 177,795.07
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Solution
The fourth proportional to 313,735.24, 432,953.44 and 177,795.07 is: 245,356.52
Step by Step Solution
- Step 1: Write the proportion equation
313,735.24 : 432,953.44 = 177,795.07 : x - Step 2: Convert to fraction form
313,735.24/432,953.44 = 177,795.07/x - Step 3: Cross multiply
313,735.24x = 432,953.44 × 177,795.07 - Step 4: Simplify right side
313,735.24x = 76,976,987,171.54 - Step 5: Solve for x
x = 76,976,987,171.54/313,735.24 - Step 6: Final answer
x = 245,356.52
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1.5x scale
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.