Finding the Fourth Proportional to 369,114.92, 509,380.10 and 207,972.44
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Solution
The fourth proportional to 369,114.92, 509,380.10 and 207,972.44 is: 287,002.82
Step by Step Solution
- Step 1: Write the proportion equation
369,114.92 : 509,380.10 = 207,972.44 : x - Step 2: Convert to fraction form
369,114.92/509,380.10 = 207,972.44/x - Step 3: Cross multiply
369,114.92x = 509,380.10 × 207,972.44 - Step 4: Simplify right side
369,114.92x = 105,937,022,284.44 - Step 5: Solve for x
x = 105,937,022,284.44/369,114.92 - Step 6: Final answer
x = 287,002.82
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1.5x scale
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.