Finding the Fourth Proportional to 261,506.12, 392,424.94 and 111,747.44
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Solution
The fourth proportional to 261,506.12, 392,424.94 and 111,747.44 is: 167,691.99
Step by Step Solution
- Step 1: Write the proportion equation
261,506.12 : 392,424.94 = 111,747.44 : x - Step 2: Convert to fraction form
261,506.12/392,424.94 = 111,747.44/x - Step 3: Cross multiply
261,506.12x = 392,424.94 × 111,747.44 - Step 4: Simplify right side
261,506.12x = 43,852,482,437.15 - Step 5: Solve for x
x = 43,852,482,437.15/261,506.12 - Step 6: Final answer
x = 167,691.99
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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.