Finding the Fourth Proportional to 313,597.58, 432,782.70 and 177,608.55
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Solution
The fourth proportional to 313,597.58, 432,782.70 and 177,608.55 is: 245,110.02
Step by Step Solution
- Step 1: Write the proportion equation
313,597.58 : 432,782.70 = 177,608.55 : x - Step 2: Convert to fraction form
313,597.58/432,782.70 = 177,608.55/x - Step 3: Cross multiply
313,597.58x = 432,782.70 × 177,608.55 - Step 4: Simplify right side
313,597.58x = 76,865,906,334.59 - Step 5: Solve for x
x = 76,865,906,334.59/313,597.58 - Step 6: Final answer
x = 245,110.02
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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.