Finding the Fourth Proportional to 142,232.24, 213,276.92 and 47,428.88
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Solution
The fourth proportional to 142,232.24, 213,276.92 and 47,428.88 is: 71,119.49
Step by Step Solution
- Step 1: Write the proportion equation
142,232.24 : 213,276.92 = 47,428.88 : x - Step 2: Convert to fraction form
142,232.24/213,276.92 = 47,428.88/x - Step 3: Cross multiply
142,232.24x = 213,276.92 × 47,428.88 - Step 4: Simplify right side
142,232.24x = 10,115,484,141.92 - Step 5: Solve for x
x = 10,115,484,141.92/142,232.24 - Step 6: Final answer
x = 71,119.49
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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.