Finding the Fourth Proportional to 436,336.42, 602,122.26 and 245,338.42
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Solution
The fourth proportional to 436,336.42, 602,122.26 and 245,338.42 is: 338,554.65
Step by Step Solution
- Step 1: Write the proportion equation
436,336.42 : 602,122.26 = 245,338.42 : x - Step 2: Convert to fraction form
436,336.42/602,122.26 = 245,338.42/x - Step 3: Cross multiply
436,336.42x = 602,122.26 × 245,338.42 - Step 4: Simplify right side
436,336.42x = 147,723,723,915.23 - Step 5: Solve for x
x = 147,723,723,915.23/436,336.42 - Step 6: Final answer
x = 338,554.65
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1.5x scale
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.