Finding the Fourth Proportional to 150,550.14, 207,237.72 and 130,122.90
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Solution
The fourth proportional to 150,550.14, 207,237.72 and 130,122.90 is: 179,118.88
Step by Step Solution
- Step 1: Write the proportion equation
150,550.14 : 207,237.72 = 130,122.90 : x - Step 2: Convert to fraction form
150,550.14/207,237.72 = 130,122.90/x - Step 3: Cross multiply
150,550.14x = 207,237.72 × 130,122.90 - Step 4: Simplify right side
150,550.14x = 26,966,373,115.79 - Step 5: Solve for x
x = 26,966,373,115.79/150,550.14 - Step 6: Final answer
x = 179,118.88
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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.