Finding the Fourth Proportional to 253,085.91, 349,241.00 and 139,899.75
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Solution
The fourth proportional to 253,085.91, 349,241.00 and 139,899.75 is: 193,051.95
Step by Step Solution
- Step 1: Write the proportion equation
253,085.91 : 349,241.00 = 139,899.75 : x - Step 2: Convert to fraction form
253,085.91/349,241.00 = 139,899.75/x - Step 3: Cross multiply
253,085.91x = 349,241.00 × 139,899.75 - Step 4: Simplify right side
253,085.91x = 48,858,727,890.25 - Step 5: Solve for x
x = 48,858,727,890.25/253,085.91 - Step 6: Final answer
x = 193,051.95
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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.