Finding the Fourth Proportional to 191,588.70, 264,381.99 and 105,530.91
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Solution
The fourth proportional to 191,588.70, 264,381.99 and 105,530.91 is: 145,626.92
Step by Step Solution
- Step 1: Write the proportion equation
191,588.70 : 264,381.99 = 105,530.91 : x - Step 2: Convert to fraction form
191,588.70/264,381.99 = 105,530.91/x - Step 3: Cross multiply
191,588.70x = 264,381.99 × 105,530.91 - Step 4: Simplify right side
191,588.70x = 27,900,471,992.31 - Step 5: Solve for x
x = 27,900,471,992.31/191,588.70 - Step 6: Final answer
x = 145,626.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.