Finding the Fourth Proportional to 221,776.72, 306,054.80 and 126,283.80
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Solution
The fourth proportional to 221,776.72, 306,054.80 and 126,283.80 is: 174,273.31
Step by Step Solution
- Step 1: Write the proportion equation
221,776.72 : 306,054.80 = 126,283.80 : x - Step 2: Convert to fraction form
221,776.72/306,054.80 = 126,283.80/x - Step 3: Cross multiply
221,776.72x = 306,054.80 × 126,283.80 - Step 4: Simplify right side
221,776.72x = 38,649,763,152.24 - Step 5: Solve for x
x = 38,649,763,152.24/221,776.72 - Step 6: Final answer
x = 174,273.31
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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.