Finding the Fourth Proportional to 190,902.64, 263,506.08 and 134,479.12
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Solution
The fourth proportional to 190,902.64, 263,506.08 and 134,479.12 is: 185,623.76
Step by Step Solution
- Step 1: Write the proportion equation
190,902.64 : 263,506.08 = 134,479.12 : x - Step 2: Convert to fraction form
190,902.64/263,506.08 = 134,479.12/x - Step 3: Cross multiply
190,902.64x = 263,506.08 × 134,479.12 - Step 4: Simplify right side
190,902.64x = 35,436,065,753.05 - Step 5: Solve for x
x = 35,436,065,753.05/190,902.64 - Step 6: Final answer
x = 185,623.76
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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.