Finding the Fourth Proportional to 436,489.44, 602,355.84 and 245,503.20
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Solution
The fourth proportional to 436,489.44, 602,355.84 and 245,503.20 is: 338,794.65
Step by Step Solution
- Step 1: Write the proportion equation
436,489.44 : 602,355.84 = 245,503.20 : x - Step 2: Convert to fraction form
436,489.44/602,355.84 = 245,503.20/x - Step 3: Cross multiply
436,489.44x = 602,355.84 × 245,503.20 - Step 4: Simplify right side
436,489.44x = 147,880,286,258.69 - Step 5: Solve for x
x = 147,880,286,258.69/436,489.44 - Step 6: Final answer
x = 338,794.65
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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.