Finding the Fourth Proportional to 260,877.29, 391,296.79 and 83,336.63
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Solution
The fourth proportional to 260,877.29, 391,296.79 and 83,336.63 is: 124,998.82
Step by Step Solution
- Step 1: Write the proportion equation
260,877.29 : 391,296.79 = 83,336.63 : x - Step 2: Convert to fraction form
260,877.29/391,296.79 = 83,336.63/x - Step 3: Cross multiply
260,877.29x = 391,296.79 × 83,336.63 - Step 4: Simplify right side
260,877.29x = 32,609,353,643.59 - Step 5: Solve for x
x = 32,609,353,643.59/260,877.29 - Step 6: Final answer
x = 124,998.82
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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.