Finding the Fourth Proportional to 150,189.36, 207,040.44 and 114,316.88
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Solution
The fourth proportional to 150,189.36, 207,040.44 and 114,316.88 is: 157,589.17
Step by Step Solution
- Step 1: Write the proportion equation
150,189.36 : 207,040.44 = 114,316.88 : x - Step 2: Convert to fraction form
150,189.36/207,040.44 = 114,316.88/x - Step 3: Cross multiply
150,189.36x = 207,040.44 × 114,316.88 - Step 4: Simplify right side
150,189.36x = 23,668,217,134.63 - Step 5: Solve for x
x = 23,668,217,134.63/150,189.36 - Step 6: Final answer
x = 157,589.17
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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.