Finding the Fourth Proportional to 270,153.18, 405,438.95 and 101,826.65
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Solution
The fourth proportional to 270,153.18, 405,438.95 and 101,826.65 is: 152,818.82
Step by Step Solution
- Step 1: Write the proportion equation
270,153.18 : 405,438.95 = 101,826.65 : x - Step 2: Convert to fraction form
270,153.18/405,438.95 = 101,826.65/x - Step 3: Cross multiply
270,153.18x = 405,438.95 × 101,826.65 - Step 4: Simplify right side
270,153.18x = 41,284,491,326.18 - Step 5: Solve for x
x = 41,284,491,326.18/270,153.18 - Step 6: Final answer
x = 152,818.82
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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.