Finding the Fourth Proportional to 149,236.20, 223,854.30 and 55,729.80
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Solution
The fourth proportional to 149,236.20, 223,854.30 and 55,729.80 is: 83,594.70
Step by Step Solution
- Step 1: Write the proportion equation
149,236.20 : 223,854.30 = 55,729.80 : x - Step 2: Convert to fraction form
149,236.20/223,854.30 = 55,729.80/x - Step 3: Cross multiply
149,236.20x = 223,854.30 × 55,729.80 - Step 4: Simplify right side
149,236.20x = 12,475,355,368.14 - Step 5: Solve for x
x = 12,475,355,368.14/149,236.20 - Step 6: Final answer
x = 83,594.70
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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.