Finding the Fourth Proportional to 245,989.80, 368,466.30 and 204,517.80
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Solution
The fourth proportional to 245,989.80, 368,466.30 and 204,517.80 is: 306,345.70
Step by Step Solution
- Step 1: Write the proportion equation
245,989.80 : 368,466.30 = 204,517.80 : x - Step 2: Convert to fraction form
245,989.80/368,466.30 = 204,517.80/x - Step 3: Cross multiply
245,989.80x = 368,466.30 × 204,517.80 - Step 4: Simplify right side
245,989.80x = 75,357,917,050.14 - Step 5: Solve for x
x = 75,357,917,050.14/245,989.80 - Step 6: Final answer
x = 306,345.70
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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.