Finding the Fourth Proportional to 319,201.53, 477,390.61 and 283,910.64
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Solution
The fourth proportional to 319,201.53, 477,390.61 and 283,910.64 is: 424,610.35
Step by Step Solution
- Step 1: Write the proportion equation
319,201.53 : 477,390.61 = 283,910.64 : x - Step 2: Convert to fraction form
319,201.53/477,390.61 = 283,910.64/x - Step 3: Cross multiply
319,201.53x = 477,390.61 × 283,910.64 - Step 4: Simplify right side
319,201.53x = 135,536,272,179.76 - Step 5: Solve for x
x = 135,536,272,179.76/319,201.53 - Step 6: Final answer
x = 424,610.35
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1.5x scale
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.