Finding the Fourth Proportional to 221,851.08, 306,154.08 and 121,249.08
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Solution
The fourth proportional to 221,851.08, 306,154.08 and 121,249.08 is: 167,323.51
Step by Step Solution
- Step 1: Write the proportion equation
221,851.08 : 306,154.08 = 121,249.08 : x - Step 2: Convert to fraction form
221,851.08/306,154.08 = 121,249.08/x - Step 3: Cross multiply
221,851.08x = 306,154.08 × 121,249.08 - Step 4: Simplify right side
221,851.08x = 37,120,900,538.25 - Step 5: Solve for x
x = 37,120,900,538.25/221,851.08 - Step 6: Final answer
x = 167,323.51
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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.