Finding the Fourth Proportional to 221,345.91, 305,471.79 and 125,861.49
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Solution
The fourth proportional to 221,345.91, 305,471.79 and 125,861.49 is: 173,697.06
Step by Step Solution
- Step 1: Write the proportion equation
221,345.91 : 305,471.79 = 125,861.49 : x - Step 2: Convert to fraction form
221,345.91/305,471.79 = 125,861.49/x - Step 3: Cross multiply
221,345.91x = 305,471.79 × 125,861.49 - Step 4: Simplify right side
221,345.91x = 38,447,134,642.37 - Step 5: Solve for x
x = 38,447,134,642.37/221,345.91 - Step 6: Final answer
x = 173,697.06
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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.