Finding the Fourth Proportional to 221,850.36, 306,153.50 and 121,248.36
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Solution
The fourth proportional to 221,850.36, 306,153.50 and 121,248.36 is: 167,322.74
Step by Step Solution
- Step 1: Write the proportion equation
221,850.36 : 306,153.50 = 121,248.36 : x - Step 2: Convert to fraction form
221,850.36/306,153.50 = 121,248.36/x - Step 3: Cross multiply
221,850.36x = 306,153.50 × 121,248.36 - Step 4: Simplify right side
221,850.36x = 37,120,609,783.26 - Step 5: Solve for x
x = 37,120,609,783.26/221,850.36 - Step 6: Final answer
x = 167,322.74
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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.