Finding the Fourth Proportional to 169,471.80, 254,207.70 and 98,515.80
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Solution
The fourth proportional to 169,471.80, 254,207.70 and 98,515.80 is: 147,773.70
Step by Step Solution
- Step 1: Write the proportion equation
169,471.80 : 254,207.70 = 98,515.80 : x - Step 2: Convert to fraction form
169,471.80/254,207.70 = 98,515.80/x - Step 3: Cross multiply
169,471.80x = 254,207.70 × 98,515.80 - Step 4: Simplify right side
169,471.80x = 25,043,474,931.66 - Step 5: Solve for x
x = 25,043,474,931.66/169,471.80 - Step 6: Final answer
x = 147,773.70
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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.