Finding the Fourth Proportional to 191,279.67, 286,935.57 and 58,161.09
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Solution
The fourth proportional to 191,279.67, 286,935.57 and 58,161.09 is: 87,246.52
Step by Step Solution
- Step 1: Write the proportion equation
191,279.67 : 286,935.57 = 58,161.09 : x - Step 2: Convert to fraction form
191,279.67/286,935.57 = 58,161.09/x - Step 3: Cross multiply
191,279.67x = 286,935.57 × 58,161.09 - Step 4: Simplify right side
191,279.67x = 16,688,485,510.97 - Step 5: Solve for x
x = 16,688,485,510.97/191,279.67 - Step 6: Final answer
x = 87,246.52
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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.