Finding the Fourth Proportional to 400,749.93, 601,082.84 and 211,133.99
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Solution
The fourth proportional to 400,749.93, 601,082.84 and 211,133.99 is: 316,678.83
Step by Step Solution
- Step 1: Write the proportion equation
400,749.93 : 601,082.84 = 211,133.99 : x - Step 2: Convert to fraction form
400,749.93/601,082.84 = 211,133.99/x - Step 3: Cross multiply
400,749.93x = 601,082.84 × 211,133.99 - Step 4: Simplify right side
400,749.93x = 126,909,020,360.27 - Step 5: Solve for x
x = 126,909,020,360.27/400,749.93 - Step 6: Final answer
x = 316,678.83
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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.