Finding the Fourth Proportional to 260,982.18, 391,531.68 and 83,499.84
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Solution
The fourth proportional to 260,982.18, 391,531.68 and 83,499.84 is: 125,268.45
Step by Step Solution
- Step 1: Write the proportion equation
260,982.18 : 391,531.68 = 83,499.84 : x - Step 2: Convert to fraction form
260,982.18/391,531.68 = 83,499.84/x - Step 3: Cross multiply
260,982.18x = 391,531.68 × 83,499.84 - Step 4: Simplify right side
260,982.18x = 32,692,832,634.93 - Step 5: Solve for x
x = 32,692,832,634.93/260,982.18 - Step 6: Final answer
x = 125,268.45
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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.