Finding the Fourth Proportional to 339,512.23, 506,778.87 and 299,660.23
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Solution
The fourth proportional to 339,512.23, 506,778.87 and 299,660.23 is: 447,293.08
Step by Step Solution
- Step 1: Write the proportion equation
339,512.23 : 506,778.87 = 299,660.23 : x - Step 2: Convert to fraction form
339,512.23/506,778.87 = 299,660.23/x - Step 3: Cross multiply
339,512.23x = 506,778.87 × 299,660.23 - Step 4: Simplify right side
339,512.23x = 151,861,472,743.34 - Step 5: Solve for x
x = 151,861,472,743.34/339,512.23 - Step 6: Final answer
x = 447,293.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.