Finding the Fourth Proportional to 323,438.05, 446,041.76 and 255,617.05
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Solution
The fourth proportional to 323,438.05, 446,041.76 and 255,617.05 is: 352,512.26
Step by Step Solution
- Step 1: Write the proportion equation
323,438.05 : 446,041.76 = 255,617.05 : x - Step 2: Convert to fraction form
323,438.05/446,041.76 = 255,617.05/x - Step 3: Cross multiply
323,438.05x = 446,041.76 × 255,617.05 - Step 4: Simplify right side
323,438.05x = 114,015,876,637.80 - Step 5: Solve for x
x = 114,015,876,637.80/323,438.05 - Step 6: Final answer
x = 352,512.26
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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.