Finding the Fourth Proportional to 261,171.67, 391,746.56 and 83,674.75
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Solution
The fourth proportional to 261,171.67, 391,746.56 and 83,674.75 is: 125,508.61
Step by Step Solution
- Step 1: Write the proportion equation
261,171.67 : 391,746.56 = 83,674.75 : x - Step 2: Convert to fraction form
261,171.67/391,746.56 = 83,674.75/x - Step 3: Cross multiply
261,171.67x = 391,746.56 × 83,674.75 - Step 4: Simplify right side
261,171.67x = 32,779,294,073.62 - Step 5: Solve for x
x = 32,779,294,073.62/261,171.67 - Step 6: Final answer
x = 125,508.61
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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.