Finding the Fourth Proportional to 318,975.62, 440,181.44 and 175,740.80
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Solution
The fourth proportional to 318,975.62, 440,181.44 and 175,740.80 is: 242,519.59
Step by Step Solution
- Step 1: Write the proportion equation
318,975.62 : 440,181.44 = 175,740.80 : x - Step 2: Convert to fraction form
318,975.62/440,181.44 = 175,740.80/x - Step 3: Cross multiply
318,975.62x = 440,181.44 × 175,740.80 - Step 4: Simplify right side
318,975.62x = 77,357,835,331.14 - Step 5: Solve for x
x = 77,357,835,331.14/318,975.62 - Step 6: Final answer
x = 242,519.59
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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.