Finding the Fourth Proportional to 313,729.02, 432,876.15 and 177,751.08
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Solution
The fourth proportional to 313,729.02, 432,876.15 and 177,751.08 is: 245,256.89
Step by Step Solution
- Step 1: Write the proportion equation
313,729.02 : 432,876.15 = 177,751.08 : x - Step 2: Convert to fraction form
313,729.02/432,876.15 = 177,751.08/x - Step 3: Cross multiply
313,729.02x = 432,876.15 × 177,751.08 - Step 4: Simplify right side
313,729.02x = 76,944,203,168.74 - Step 5: Solve for x
x = 76,944,203,168.74/313,729.02 - Step 6: Final answer
x = 245,256.89
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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.