Finding the Fourth Proportional to 753,851.10, 1,130,943.36 and 248,391.66
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Solution
The fourth proportional to 753,851.10, 1,130,943.36 and 248,391.66 is: 372,642.42
Step by Step Solution
- Step 1: Write the proportion equation
753,851.10 : 1,130,943.36 = 248,391.66 : x - Step 2: Convert to fraction form
753,851.10/1,130,943.36 = 248,391.66/x - Step 3: Cross multiply
753,851.10x = 1,130,943.36 × 248,391.66 - Step 4: Simplify right side
753,851.10x = 280,916,898,556.38 - Step 5: Solve for x
x = 280,916,898,556.38/753,851.10 - Step 6: Final answer
x = 372,642.42
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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.