Finding the Fourth Proportional to 150,549.36, 207,755.01 and 93,173.42
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Solution
The fourth proportional to 150,549.36, 207,755.01 and 93,173.42 is: 128,577.39
Step by Step Solution
- Step 1: Write the proportion equation
150,549.36 : 207,755.01 = 93,173.42 : x - Step 2: Convert to fraction form
150,549.36/207,755.01 = 93,173.42/x - Step 3: Cross multiply
150,549.36x = 207,755.01 × 93,173.42 - Step 4: Simplify right side
150,549.36x = 19,357,243,765.06 - Step 5: Solve for x
x = 19,357,243,765.06/150,549.36 - Step 6: Final answer
x = 128,577.39
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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.