Finding the Fourth Proportional to 513,315.97, 769,716.96 and 158,283.85
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Solution
The fourth proportional to 513,315.97, 769,716.96 and 158,283.85 is: 237,346.53
Step by Step Solution
- Step 1: Write the proportion equation
513,315.97 : 769,716.96 = 158,283.85 : x - Step 2: Convert to fraction form
513,315.97/769,716.96 = 158,283.85/x - Step 3: Cross multiply
513,315.97x = 769,716.96 × 158,283.85 - Step 4: Simplify right side
513,315.97x = 121,833,763,839.10 - Step 5: Solve for x
x = 121,833,763,839.10/513,315.97 - Step 6: Final answer
x = 237,346.53
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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.