Finding the Fourth Proportional to 191,789.26, 264,782.58 and 170,509.63
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Solution
The fourth proportional to 191,789.26, 264,782.58 and 170,509.63 is: 235,404.11
Step by Step Solution
- Step 1: Write the proportion equation
191,789.26 : 264,782.58 = 170,509.63 : x - Step 2: Convert to fraction form
191,789.26/264,782.58 = 170,509.63/x - Step 3: Cross multiply
191,789.26x = 264,782.58 × 170,509.63 - Step 4: Simplify right side
191,789.26x = 45,147,979,746.25 - Step 5: Solve for x
x = 45,147,979,746.25/191,789.26 - Step 6: Final answer
x = 235,404.11
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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.