Finding the Fourth Proportional to 212,904.98, 293,798.99 and 122,197.10
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Solution
The fourth proportional to 212,904.98, 293,798.99 and 122,197.10 is: 168,626.32
Step by Step Solution
- Step 1: Write the proportion equation
212,904.98 : 293,798.99 = 122,197.10 : x - Step 2: Convert to fraction form
212,904.98/293,798.99 = 122,197.10/x - Step 3: Cross multiply
212,904.98x = 293,798.99 × 122,197.10 - Step 4: Simplify right side
212,904.98x = 35,901,384,684.44 - Step 5: Solve for x
x = 35,901,384,684.44/212,904.98 - Step 6: Final answer
x = 168,626.32
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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.