Finding the Fourth Proportional to 753,294.14, 1,129,816.36 and 247,861.43
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Solution
The fourth proportional to 753,294.14, 1,129,816.36 and 247,861.43 is: 371,751.06
Step by Step Solution
- Step 1: Write the proportion equation
753,294.14 : 1,129,816.36 = 247,861.43 : x - Step 2: Convert to fraction form
753,294.14/1,129,816.36 = 247,861.43/x - Step 3: Cross multiply
753,294.14x = 1,129,816.36 × 247,861.43 - Step 4: Simplify right side
753,294.14x = 280,037,892,358.26 - Step 5: Solve for x
x = 280,037,892,358.26/753,294.14 - Step 6: Final answer
x = 371,751.06
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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.