Finding the Fourth Proportional to 261,167.92, 391,740.93 and 83,671.00
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Solution
The fourth proportional to 261,167.92, 391,740.93 and 83,671.00 is: 125,502.99
Step by Step Solution
- Step 1: Write the proportion equation
261,167.92 : 391,740.93 = 83,671.00 : x - Step 2: Convert to fraction form
261,167.92/391,740.93 = 83,671.00/x - Step 3: Cross multiply
261,167.92x = 391,740.93 × 83,671.00 - Step 4: Simplify right side
261,167.92x = 32,777,354,374.68 - Step 5: Solve for x
x = 32,777,354,374.68/261,167.92 - Step 6: Final answer
x = 125,502.99
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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.