Finding the Fourth Proportional to 150,313.36, 207,431.96 and 84,895.02
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Solution
The fourth proportional to 150,313.36, 207,431.96 and 84,895.02 is: 117,154.86
Step by Step Solution
- Step 1: Write the proportion equation
150,313.36 : 207,431.96 = 84,895.02 : x - Step 2: Convert to fraction form
150,313.36/207,431.96 = 84,895.02/x - Step 3: Cross multiply
150,313.36x = 207,431.96 × 84,895.02 - Step 4: Simplify right side
150,313.36x = 17,609,940,392.84 - Step 5: Solve for x
x = 17,609,940,392.84/150,313.36 - Step 6: Final answer
x = 117,154.86
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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.