Finding the Fourth Proportional to 212,775.99, 293,632.86 and 117,286.12
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Solution
The fourth proportional to 212,775.99, 293,632.86 and 117,286.12 is: 161,855.94
Step by Step Solution
- Step 1: Write the proportion equation
212,775.99 : 293,632.86 = 117,286.12 : x - Step 2: Convert to fraction form
212,775.99/293,632.86 = 117,286.12/x - Step 3: Cross multiply
212,775.99x = 293,632.86 × 117,286.12 - Step 4: Simplify right side
212,775.99x = 34,439,058,853.90 - Step 5: Solve for x
x = 34,439,058,853.90/212,775.99 - Step 6: Final answer
x = 161,855.94
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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.