Finding the Fourth Proportional to 364,356.12, 542,912.16 and 324,607.80
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Solution
The fourth proportional to 364,356.12, 542,912.16 and 324,607.80 is: 483,684.81
Step by Step Solution
- Step 1: Write the proportion equation
364,356.12 : 542,912.16 = 324,607.80 : x - Step 2: Convert to fraction form
364,356.12/542,912.16 = 324,607.80/x - Step 3: Cross multiply
364,356.12x = 542,912.16 × 324,607.80 - Step 4: Simplify right side
364,356.12x = 176,233,521,850.85 - Step 5: Solve for x
x = 176,233,521,850.85/364,356.12 - Step 6: Final answer
x = 483,684.81
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.