Finding the Fourth Proportional to 674,440.92, 1,011,705.12 and 201,174.12
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Solution
The fourth proportional to 674,440.92, 1,011,705.12 and 201,174.12 is: 301,774.23
Step by Step Solution
- Step 1: Write the proportion equation
674,440.92 : 1,011,705.12 = 201,174.12 : x - Step 2: Convert to fraction form
674,440.92/1,011,705.12 = 201,174.12/x - Step 3: Cross multiply
674,440.92x = 1,011,705.12 × 201,174.12 - Step 4: Simplify right side
674,440.92x = 203,528,887,215.49 - Step 5: Solve for x
x = 203,528,887,215.49/674,440.92 - Step 6: Final answer
x = 301,774.23
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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.