Finding the Fourth Proportional to 319,635.21, 441,262.41 and 233,497.48
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Solution
The fourth proportional to 319,635.21, 441,262.41 and 233,497.48 is: 322,347.66
Step by Step Solution
- Step 1: Write the proportion equation
319,635.21 : 441,262.41 = 233,497.48 : x - Step 2: Convert to fraction form
319,635.21/441,262.41 = 233,497.48/x - Step 3: Cross multiply
319,635.21x = 441,262.41 × 233,497.48 - Step 4: Simplify right side
319,635.21x = 103,033,660,753.73 - Step 5: Solve for x
x = 103,033,660,753.73/319,635.21 - Step 6: Final answer
x = 322,347.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.