Finding the Fourth Proportional to 313,336.09, 432,358.18 and 179,174.17
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Solution
The fourth proportional to 313,336.09, 432,358.18 and 179,174.17 is: 247,234.27
Step by Step Solution
- Step 1: Write the proportion equation
313,336.09 : 432,358.18 = 179,174.17 : x - Step 2: Convert to fraction form
313,336.09/432,358.18 = 179,174.17/x - Step 3: Cross multiply
313,336.09x = 432,358.18 × 179,174.17 - Step 4: Simplify right side
313,336.09x = 77,467,418,044.21 - Step 5: Solve for x
x = 77,467,418,044.21/313,336.09 - Step 6: Final answer
x = 247,234.27
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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.