Finding the Fourth Proportional to 264,215.40, 396,323.10 and 243,997.80
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Solution
The fourth proportional to 264,215.40, 396,323.10 and 243,997.80 is: 365,996.70
Step by Step Solution
- Step 1: Write the proportion equation
264,215.40 : 396,323.10 = 243,997.80 : x - Step 2: Convert to fraction form
264,215.40/396,323.10 = 243,997.80/x - Step 3: Cross multiply
264,215.40x = 396,323.10 × 243,997.80 - Step 4: Simplify right side
264,215.40x = 96,701,964,489.18 - Step 5: Solve for x
x = 96,701,964,489.18/264,215.40 - Step 6: Final answer
x = 365,996.70
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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.