Finding the Fourth Proportional to 221,852.08, 306,155.46 and 121,250.08
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Solution
The fourth proportional to 221,852.08, 306,155.46 and 121,250.08 is: 167,324.89
Step by Step Solution
- Step 1: Write the proportion equation
221,852.08 : 306,155.46 = 121,250.08 : x - Step 2: Convert to fraction form
221,852.08/306,155.46 = 121,250.08/x - Step 3: Cross multiply
221,852.08x = 306,155.46 × 121,250.08 - Step 4: Simplify right side
221,852.08x = 37,121,374,017.44 - Step 5: Solve for x
x = 37,121,374,017.44/221,852.08 - Step 6: Final answer
x = 167,324.89
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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.