Finding the Fourth Proportional to 324,688.10, 448,079.11 and 181,448.44
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Solution
The fourth proportional to 324,688.10, 448,079.11 and 181,448.44 is: 250,404.17
Step by Step Solution
- Step 1: Write the proportion equation
324,688.10 : 448,079.11 = 181,448.44 : x - Step 2: Convert to fraction form
324,688.10/448,079.11 = 181,448.44/x - Step 3: Cross multiply
324,688.10x = 448,079.11 × 181,448.44 - Step 4: Simplify right side
324,688.10x = 81,303,253,932.27 - Step 5: Solve for x
x = 81,303,253,932.27/324,688.10 - Step 6: Final answer
x = 250,404.17
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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.