Finding the Fourth Proportional to 221,392.08, 305,519.51 and 125,898.75
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Solution
The fourth proportional to 221,392.08, 305,519.51 and 125,898.75 is: 173,739.39
Step by Step Solution
- Step 1: Write the proportion equation
221,392.08 : 305,519.51 = 125,898.75 : x - Step 2: Convert to fraction form
221,392.08/305,519.51 = 125,898.75/x - Step 3: Cross multiply
221,392.08x = 305,519.51 × 125,898.75 - Step 4: Simplify right side
221,392.08x = 38,464,524,724.36 - Step 5: Solve for x
x = 38,464,524,724.36/221,392.08 - Step 6: Final answer
x = 173,739.39
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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.