Finding the Fourth Proportional to 479,433.92, 719,283.36 and 209,585.60
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Solution
The fourth proportional to 479,433.92, 719,283.36 and 209,585.60 is: 314,436.31
Step by Step Solution
- Step 1: Write the proportion equation
479,433.92 : 719,283.36 = 209,585.60 : x - Step 2: Convert to fraction form
479,433.92/719,283.36 = 209,585.60/x - Step 3: Cross multiply
479,433.92x = 719,283.36 × 209,585.60 - Step 4: Simplify right side
479,433.92x = 150,751,434,575.62 - Step 5: Solve for x
x = 150,751,434,575.62/479,433.92 - Step 6: Final answer
x = 314,436.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.