Finding the Fourth Proportional to 243,669.21, 364,618.08 and 201,153.93
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Solution
The fourth proportional to 243,669.21, 364,618.08 and 201,153.93 is: 300,999.70
Step by Step Solution
- Step 1: Write the proportion equation
243,669.21 : 364,618.08 = 201,153.93 : x - Step 2: Convert to fraction form
243,669.21/364,618.08 = 201,153.93/x - Step 3: Cross multiply
243,669.21x = 364,618.08 × 201,153.93 - Step 4: Simplify right side
243,669.21x = 73,344,359,741.05 - Step 5: Solve for x
x = 73,344,359,741.05/243,669.21 - Step 6: Final answer
x = 300,999.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.