Finding the Fourth Proportional to 472,744.38, 709,021.20 and 173,122.68
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Solution
The fourth proportional to 472,744.38, 709,021.20 and 173,122.68 is: 259,649.09
Step by Step Solution
- Step 1: Write the proportion equation
472,744.38 : 709,021.20 = 173,122.68 : x - Step 2: Convert to fraction form
472,744.38/709,021.20 = 173,122.68/x - Step 3: Cross multiply
472,744.38x = 709,021.20 × 173,122.68 - Step 4: Simplify right side
472,744.38x = 122,747,650,320.82 - Step 5: Solve for x
x = 122,747,650,320.82/472,744.38 - Step 6: Final answer
x = 259,649.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.