Finding the Fourth Proportional to 313,709.09, 432,883.35 and 177,713.91
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Solution
The fourth proportional to 313,709.09, 432,883.35 and 177,713.91 is: 245,225.26
Step by Step Solution
- Step 1: Write the proportion equation
313,709.09 : 432,883.35 = 177,713.91 : x - Step 2: Convert to fraction form
313,709.09/432,883.35 = 177,713.91/x - Step 3: Cross multiply
313,709.09x = 432,883.35 × 177,713.91 - Step 4: Simplify right side
313,709.09x = 76,929,392,702.40 - Step 5: Solve for x
x = 76,929,392,702.40/313,709.09 - Step 6: Final answer
x = 245,225.26
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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.