Finding the Fourth Proportional to 195,579.99, 269,891.06 and 120,113.91
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Solution
The fourth proportional to 195,579.99, 269,891.06 and 120,113.91 is: 165,751.47
Step by Step Solution
- Step 1: Write the proportion equation
195,579.99 : 269,891.06 = 120,113.91 : x - Step 2: Convert to fraction form
195,579.99/269,891.06 = 120,113.91/x - Step 3: Cross multiply
195,579.99x = 269,891.06 × 120,113.91 - Step 4: Simplify right side
195,579.99x = 32,417,669,890.08 - Step 5: Solve for x
x = 32,417,669,890.08/195,579.99 - Step 6: Final answer
x = 165,751.47
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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.