Finding the Fourth Proportional to 264,465.86, 364,961.55 and 143,606.09
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Solution
The fourth proportional to 264,465.86, 364,961.55 and 143,606.09 is: 198,175.68
Step by Step Solution
- Step 1: Write the proportion equation
264,465.86 : 364,961.55 = 143,606.09 : x - Step 2: Convert to fraction form
264,465.86/364,961.55 = 143,606.09/x - Step 3: Cross multiply
264,465.86x = 364,961.55 × 143,606.09 - Step 4: Simplify right side
264,465.86x = 52,410,700,812.53 - Step 5: Solve for x
x = 52,410,700,812.53/264,465.86 - Step 6: Final answer
x = 198,175.68
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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.