Finding the Fourth Proportional to 134,863.80, 202,295.70 and 55,969.80
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Solution
The fourth proportional to 134,863.80, 202,295.70 and 55,969.80 is: 83,954.70
Step by Step Solution
- Step 1: Write the proportion equation
134,863.80 : 202,295.70 = 55,969.80 : x - Step 2: Convert to fraction form
134,863.80/202,295.70 = 55,969.80/x - Step 3: Cross multiply
134,863.80x = 202,295.70 × 55,969.80 - Step 4: Simplify right side
134,863.80x = 11,322,449,869.86 - Step 5: Solve for x
x = 11,322,449,869.86/134,863.80 - Step 6: Final answer
x = 83,954.70
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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.