Finding the Fourth Proportional to 145,814.04, 201,104.37 and 122,440.28
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Solution
The fourth proportional to 145,814.04, 201,104.37 and 122,440.28 is: 168,867.65
Step by Step Solution
- Step 1: Write the proportion equation
145,814.04 : 201,104.37 = 122,440.28 : x - Step 2: Convert to fraction form
145,814.04/201,104.37 = 122,440.28/x - Step 3: Cross multiply
145,814.04x = 201,104.37 × 122,440.28 - Step 4: Simplify right side
145,814.04x = 24,623,274,366.50 - Step 5: Solve for x
x = 24,623,274,366.50/145,814.04 - Step 6: Final answer
x = 168,867.65
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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.