Finding the Fourth Proportional to 150,011.44, 206,802.12 and 102,203.62
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Solution
The fourth proportional to 150,011.44, 206,802.12 and 102,203.62 is: 140,895.42
Step by Step Solution
- Step 1: Write the proportion equation
150,011.44 : 206,802.12 = 102,203.62 : x - Step 2: Convert to fraction form
150,011.44/206,802.12 = 102,203.62/x - Step 3: Cross multiply
150,011.44x = 206,802.12 × 102,203.62 - Step 4: Simplify right side
150,011.44x = 21,135,925,287.67 - Step 5: Solve for x
x = 21,135,925,287.67/150,011.44 - Step 6: Final answer
x = 140,895.42
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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.