Finding the Fourth Proportional to 320,889.90, 481,328.36 and 110,523.18
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Solution
The fourth proportional to 320,889.90, 481,328.36 and 110,523.18 is: 165,782.53
Step by Step Solution
- Step 1: Write the proportion equation
320,889.90 : 481,328.36 = 110,523.18 : x - Step 2: Convert to fraction form
320,889.90/481,328.36 = 110,523.18/x - Step 3: Cross multiply
320,889.90x = 481,328.36 × 110,523.18 - Step 4: Simplify right side
320,889.90x = 53,197,940,971.38 - Step 5: Solve for x
x = 53,197,940,971.38/320,889.90 - Step 6: Final answer
x = 165,782.53
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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.