Finding the Fourth Proportional to 967,540.10, 1,451,310.15 and 293,620.10
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Solution
The fourth proportional to 967,540.10, 1,451,310.15 and 293,620.10 is: 440,430.15
Step by Step Solution
- Step 1: Write the proportion equation
967,540.10 : 1,451,310.15 = 293,620.10 : x - Step 2: Convert to fraction form
967,540.10/1,451,310.15 = 293,620.10/x - Step 3: Cross multiply
967,540.10x = 1,451,310.15 × 293,620.10 - Step 4: Simplify right side
967,540.10x = 426,133,831,374.02 - Step 5: Solve for x
x = 426,133,831,374.02/967,540.10 - Step 6: Final answer
x = 440,430.15
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1.5x scale
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.