Finding the Fourth Proportional to 513,253.26, 769,830.36 and 158,171.94
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Solution
The fourth proportional to 513,253.26, 769,830.36 and 158,171.94 is: 237,242.65
Step by Step Solution
- Step 1: Write the proportion equation
513,253.26 : 769,830.36 = 158,171.94 : x - Step 2: Convert to fraction form
513,253.26/769,830.36 = 158,171.94/x - Step 3: Cross multiply
513,253.26x = 769,830.36 × 158,171.94 - Step 4: Simplify right side
513,253.26x = 121,765,561,512.10 - Step 5: Solve for x
x = 121,765,561,512.10/513,253.26 - Step 6: Final answer
x = 237,242.65
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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.