Finding the Fourth Proportional to 644,649.36, 967,393.61 and 245,293.44
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Solution
The fourth proportional to 644,649.36, 967,393.61 and 245,293.44 is: 368,099.81
Step by Step Solution
- Step 1: Write the proportion equation
644,649.36 : 967,393.61 = 245,293.44 : x - Step 2: Convert to fraction form
644,649.36/967,393.61 = 245,293.44/x - Step 3: Cross multiply
644,649.36x = 967,393.61 × 245,293.44 - Step 4: Simplify right side
644,649.36x = 237,295,306,430.92 - Step 5: Solve for x
x = 237,295,306,430.92/644,649.36 - Step 6: Final answer
x = 368,099.81
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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.