Finding the Fourth Proportional to 318,968.62, 440,175.68 and 175,727.42
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Solution
The fourth proportional to 318,968.62, 440,175.68 and 175,727.42 is: 242,503.28
Step by Step Solution
- Step 1: Write the proportion equation
318,968.62 : 440,175.68 = 175,727.42 : x - Step 2: Convert to fraction form
318,968.62/440,175.68 = 175,727.42/x - Step 3: Cross multiply
318,968.62x = 440,175.68 × 175,727.42 - Step 4: Simplify right side
318,968.62x = 77,350,936,593.15 - Step 5: Solve for x
x = 77,350,936,593.15/318,968.62 - Step 6: Final answer
x = 242,503.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.