Finding the Fourth Proportional to 636,166.13, 877,899.42 and 349,680.06
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Solution
The fourth proportional to 636,166.13, 877,899.42 and 349,680.06 is: 482,553.07
Step by Step Solution
- Step 1: Write the proportion equation
636,166.13 : 877,899.42 = 349,680.06 : x - Step 2: Convert to fraction form
636,166.13/877,899.42 = 349,680.06/x - Step 3: Cross multiply
636,166.13x = 877,899.42 × 349,680.06 - Step 4: Simplify right side
636,166.13x = 306,983,921,859.57 - Step 5: Solve for x
x = 306,983,921,859.57/636,166.13 - Step 6: Final answer
x = 482,553.07
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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.