Finding the Fourth Proportional to 221,799.02, 306,083.43 and 121,197.02
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Solution
The fourth proportional to 221,799.02, 306,083.43 and 121,197.02 is: 167,252.32
Step by Step Solution
- Step 1: Write the proportion equation
221,799.02 : 306,083.43 = 121,197.02 : x - Step 2: Convert to fraction form
221,799.02/306,083.43 = 121,197.02/x - Step 3: Cross multiply
221,799.02x = 306,083.43 × 121,197.02 - Step 4: Simplify right side
221,799.02x = 37,096,399,587.38 - Step 5: Solve for x
x = 37,096,399,587.38/221,799.02 - Step 6: Final answer
x = 167,252.32
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1.5x scale
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.