Finding the Fourth Proportional to 313,135.62, 469,112.91 and 242,670.48
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Solution
The fourth proportional to 313,135.62, 469,112.91 and 242,670.48 is: 363,548.09
Step by Step Solution
- Step 1: Write the proportion equation
313,135.62 : 469,112.91 = 242,670.48 : x - Step 2: Convert to fraction form
313,135.62/469,112.91 = 242,670.48/x - Step 3: Cross multiply
313,135.62x = 469,112.91 × 242,670.48 - Step 4: Simplify right side
313,135.62x = 113,839,855,043.90 - Step 5: Solve for x
x = 113,839,855,043.90/313,135.62 - Step 6: Final answer
x = 363,548.09
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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.