Finding the Fourth Proportional to 258,940.21, 357,240.71 and 258,540.98
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Solution
The fourth proportional to 258,940.21, 357,240.71 and 258,540.98 is: 356,689.92
Step by Step Solution
- Step 1: Write the proportion equation
258,940.21 : 357,240.71 = 258,540.98 : x - Step 2: Convert to fraction form
258,940.21/357,240.71 = 258,540.98/x - Step 3: Cross multiply
258,940.21x = 357,240.71 × 258,540.98 - Step 4: Simplify right side
258,940.21x = 92,361,361,473.09 - Step 5: Solve for x
x = 92,361,361,473.09/258,940.21 - Step 6: Final answer
x = 356,689.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.