Finding the Fourth Proportional to 324,479.36, 447,776.80 and 181,241.44
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Solution
The fourth proportional to 324,479.36, 447,776.80 and 181,241.44 is: 250,110.55
Step by Step Solution
- Step 1: Write the proportion equation
324,479.36 : 447,776.80 = 181,241.44 : x - Step 2: Convert to fraction form
324,479.36/447,776.80 = 181,241.44/x - Step 3: Cross multiply
324,479.36x = 447,776.80 × 181,241.44 - Step 4: Simplify right side
324,479.36x = 81,155,712,030.59 - Step 5: Solve for x
x = 81,155,712,030.59/324,479.36 - Step 6: Final answer
x = 250,110.55
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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.