Finding the Fourth Proportional to 612,946.44, 919,684.08 and 233,980.92
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Solution
The fourth proportional to 612,946.44, 919,684.08 and 233,980.92 is: 351,072.32
Step by Step Solution
- Step 1: Write the proportion equation
612,946.44 : 919,684.08 = 233,980.92 : x - Step 2: Convert to fraction form
612,946.44/919,684.08 = 233,980.92/x - Step 3: Cross multiply
612,946.44x = 919,684.08 × 233,980.92 - Step 4: Simplify right side
612,946.44x = 215,188,527,147.75 - Step 5: Solve for x
x = 215,188,527,147.75/612,946.44 - Step 6: Final answer
x = 351,072.32
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1.5x scale
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.