Finding the Fourth Proportional to 266,645.96, 367,977.21 and 159,195.95
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Solution
The fourth proportional to 266,645.96, 367,977.21 and 159,195.95 is: 219,693.86
Step by Step Solution
- Step 1: Write the proportion equation
266,645.96 : 367,977.21 = 159,195.95 : x - Step 2: Convert to fraction form
266,645.96/367,977.21 = 159,195.95/x - Step 3: Cross multiply
266,645.96x = 367,977.21 × 159,195.95 - Step 4: Simplify right side
266,645.96x = 58,580,479,684.41 - Step 5: Solve for x
x = 58,580,479,684.41/266,645.96 - Step 6: Final answer
x = 219,693.86
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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.