Finding the Fourth Proportional to 247,615.92, 340,944.86 and 193,387.14
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Solution
The fourth proportional to 247,615.92, 340,944.86 and 193,387.14 is: 266,276.70
Step by Step Solution
- Step 1: Write the proportion equation
247,615.92 : 340,944.86 = 193,387.14 : x - Step 2: Convert to fraction form
247,615.92/340,944.86 = 193,387.14/x - Step 3: Cross multiply
247,615.92x = 340,944.86 × 193,387.14 - Step 4: Simplify right side
247,615.92x = 65,934,351,741.99 - Step 5: Solve for x
x = 65,934,351,741.99/247,615.92 - Step 6: Final answer
x = 266,276.70
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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.