Finding the Fourth Proportional to 221,407.16, 305,548.62 and 125,927.60
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Solution
The fourth proportional to 221,407.16, 305,548.62 and 125,927.60 is: 173,783.92
Step by Step Solution
- Step 1: Write the proportion equation
221,407.16 : 305,548.62 = 125,927.60 : x - Step 2: Convert to fraction form
221,407.16/305,548.62 = 125,927.60/x - Step 3: Cross multiply
221,407.16x = 305,548.62 × 125,927.60 - Step 4: Simplify right side
221,407.16x = 38,477,004,399.91 - Step 5: Solve for x
x = 38,477,004,399.91/221,407.16 - Step 6: Final answer
x = 173,783.92
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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.