Finding the Fourth Proportional to 221,393.97, 305,522.10 and 125,900.64
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Solution
The fourth proportional to 221,393.97, 305,522.10 and 125,900.64 is: 173,741.99
Step by Step Solution
- Step 1: Write the proportion equation
221,393.97 : 305,522.10 = 125,900.64 : x - Step 2: Convert to fraction form
221,393.97/305,522.10 = 125,900.64/x - Step 3: Cross multiply
221,393.97x = 305,522.10 × 125,900.64 - Step 4: Simplify right side
221,393.97x = 38,465,427,924.14 - Step 5: Solve for x
x = 38,465,427,924.14/221,393.97 - Step 6: Final answer
x = 173,741.99
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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.