Finding the Fourth Proportional to 436,369.84, 602,186.60 and 245,379.14
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Solution
The fourth proportional to 436,369.84, 602,186.60 and 245,379.14 is: 338,621.09
Step by Step Solution
- Step 1: Write the proportion equation
436,369.84 : 602,186.60 = 245,379.14 : x - Step 2: Convert to fraction form
436,369.84/602,186.60 = 245,379.14/x - Step 3: Cross multiply
436,369.84x = 602,186.60 × 245,379.14 - Step 4: Simplify right side
436,369.84x = 147,764,030,027.52 - Step 5: Solve for x
x = 147,764,030,027.52/436,369.84 - Step 6: Final answer
x = 338,621.09
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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.