Finding the Fourth Proportional to 245,908.30, 368,912.17 and 103,753.92
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Solution
The fourth proportional to 245,908.30, 368,912.17 and 103,753.92 is: 155,651.86
Step by Step Solution
- Step 1: Write the proportion equation
245,908.30 : 368,912.17 = 103,753.92 : x - Step 2: Convert to fraction form
245,908.30/368,912.17 = 103,753.92/x - Step 3: Cross multiply
245,908.30x = 368,912.17 × 103,753.92 - Step 4: Simplify right side
245,908.30x = 38,276,083,254.44 - Step 5: Solve for x
x = 38,276,083,254.44/245,908.30 - Step 6: Final answer
x = 155,651.86
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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.