Finding the Fourth Proportional to 738,266.17, 1,107,399.30 and 239,630.17
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Solution
The fourth proportional to 738,266.17, 1,107,399.30 and 239,630.17 is: 359,445.27
Step by Step Solution
- Step 1: Write the proportion equation
738,266.17 : 1,107,399.30 = 239,630.17 : x - Step 2: Convert to fraction form
738,266.17/1,107,399.30 = 239,630.17/x - Step 3: Cross multiply
738,266.17x = 1,107,399.30 × 239,630.17 - Step 4: Simplify right side
738,266.17x = 265,366,282,516.88 - Step 5: Solve for x
x = 265,366,282,516.88/738,266.17 - Step 6: Final answer
x = 359,445.27
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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.