Finding the Fourth Proportional to 253,951.93, 349,655.70 and 215,630.83
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Solution
The fourth proportional to 253,951.93, 349,655.70 and 215,630.83 is: 296,892.99
Step by Step Solution
- Step 1: Write the proportion equation
253,951.93 : 349,655.70 = 215,630.83 : x - Step 2: Convert to fraction form
253,951.93/349,655.70 = 215,630.83/x - Step 3: Cross multiply
253,951.93x = 349,655.70 × 215,630.83 - Step 4: Simplify right side
253,951.93x = 75,396,548,805.23 - Step 5: Solve for x
x = 75,396,548,805.23/253,951.93 - Step 6: Final answer
x = 296,892.99
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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.