Finding the Fourth Proportional to 261,624.75, 392,495.63 and 95,412.75
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Solution
The fourth proportional to 261,624.75, 392,495.63 and 95,412.75 is: 143,140.46
Step by Step Solution
- Step 1: Write the proportion equation
261,624.75 : 392,495.63 = 95,412.75 : x - Step 2: Convert to fraction form
261,624.75/392,495.63 = 95,412.75/x - Step 3: Cross multiply
261,624.75x = 392,495.63 × 95,412.75 - Step 4: Simplify right side
261,624.75x = 37,449,087,421.28 - Step 5: Solve for x
x = 37,449,087,421.28/261,624.75 - Step 6: Final answer
x = 143,140.46
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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.