Finding the Fourth Proportional to 253,892.92, 350,364.58 and 139,169.08
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Solution
The fourth proportional to 253,892.92, 350,364.58 and 139,169.08 is: 192,049.14
Step by Step Solution
- Step 1: Write the proportion equation
253,892.92 : 350,364.58 = 139,169.08 : x - Step 2: Convert to fraction form
253,892.92/350,364.58 = 139,169.08/x - Step 3: Cross multiply
253,892.92x = 350,364.58 × 139,169.08 - Step 4: Simplify right side
253,892.92x = 48,759,916,263.19 - Step 5: Solve for x
x = 48,759,916,263.19/253,892.92 - Step 6: Final answer
x = 192,049.14
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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.