Finding the Fourth Proportional to 134,888.40, 202,332.60 and 127,630.80
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Solution
The fourth proportional to 134,888.40, 202,332.60 and 127,630.80 is: 191,446.20
Step by Step Solution
- Step 1: Write the proportion equation
134,888.40 : 202,332.60 = 127,630.80 : x - Step 2: Convert to fraction form
134,888.40/202,332.60 = 127,630.80/x - Step 3: Cross multiply
134,888.40x = 202,332.60 × 127,630.80 - Step 4: Simplify right side
134,888.40x = 25,823,871,604.08 - Step 5: Solve for x
x = 25,823,871,604.08/134,888.40 - Step 6: Final answer
x = 191,446.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.