Finding the Fourth Proportional to 264,420.95, 364,890.96 and 143,559.68
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Solution
The fourth proportional to 264,420.95, 364,890.96 and 143,559.68 is: 198,106.95
Step by Step Solution
- Step 1: Write the proportion equation
264,420.95 : 364,890.96 = 143,559.68 : x - Step 2: Convert to fraction form
264,420.95/364,890.96 = 143,559.68/x - Step 3: Cross multiply
264,420.95x = 364,890.96 × 143,559.68 - Step 4: Simplify right side
264,420.95x = 52,383,627,628.04 - Step 5: Solve for x
x = 52,383,627,628.04/264,420.95 - Step 6: Final answer
x = 198,106.95
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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.