Finding the Fourth Proportional to 512,126.25, 768,343.14 and 242,459.97
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Solution
The fourth proportional to 512,126.25, 768,343.14 and 242,459.97 is: 363,762.75
Step by Step Solution
- Step 1: Write the proportion equation
512,126.25 : 768,343.14 = 242,459.97 : x - Step 2: Convert to fraction form
512,126.25/768,343.14 = 242,459.97/x - Step 3: Cross multiply
512,126.25x = 768,343.14 × 242,459.97 - Step 4: Simplify right side
512,126.25x = 186,292,454,674.11 - Step 5: Solve for x
x = 186,292,454,674.11/512,126.25 - Step 6: Final answer
x = 363,762.75
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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.