Finding the Fourth Proportional to 159,479.12, 239,219.08 and 149,736.08
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Solution
The fourth proportional to 159,479.12, 239,219.08 and 149,736.08 is: 224,604.50
Step by Step Solution
- Step 1: Write the proportion equation
159,479.12 : 239,219.08 = 149,736.08 : x - Step 2: Convert to fraction form
159,479.12/239,219.08 = 149,736.08/x - Step 3: Cross multiply
159,479.12x = 239,219.08 × 149,736.08 - Step 4: Simplify right side
159,479.12x = 35,819,727,300.41 - Step 5: Solve for x
x = 35,819,727,300.41/159,479.12 - Step 6: Final answer
x = 224,604.50
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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.