Finding the Fourth Proportional to 253,652.40, 350,034.36 and 140,479.92
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Solution
The fourth proportional to 253,652.40, 350,034.36 and 140,479.92 is: 193,858.99
Step by Step Solution
- Step 1: Write the proportion equation
253,652.40 : 350,034.36 = 140,479.92 : x - Step 2: Convert to fraction form
253,652.40/350,034.36 = 140,479.92/x - Step 3: Cross multiply
253,652.40x = 350,034.36 × 140,479.92 - Step 4: Simplify right side
253,652.40x = 49,172,798,890.05 - Step 5: Solve for x
x = 49,172,798,890.05/253,652.40 - Step 6: Final answer
x = 193,858.99
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1.5x scale
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.