Finding the Fourth Proportional to 327,494.58, 450,850.77 and 312,448.02
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Solution
The fourth proportional to 327,494.58, 450,850.77 and 312,448.02 is: 430,136.68
Step by Step Solution
- Step 1: Write the proportion equation
327,494.58 : 450,850.77 = 312,448.02 : x - Step 2: Convert to fraction form
327,494.58/450,850.77 = 312,448.02/x - Step 3: Cross multiply
327,494.58x = 450,850.77 × 312,448.02 - Step 4: Simplify right side
327,494.58x = 140,867,430,401.98 - Step 5: Solve for x
x = 140,867,430,401.98/327,494.58 - Step 6: Final answer
x = 430,136.68
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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.