Finding the Fourth Proportional to 221,850.12, 306,670.33 and 197,888.56
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Solution
The fourth proportional to 221,850.12, 306,670.33 and 197,888.56 is: 273,547.52
Step by Step Solution
- Step 1: Write the proportion equation
221,850.12 : 306,670.33 = 197,888.56 : x - Step 2: Convert to fraction form
221,850.12/306,670.33 = 197,888.56/x - Step 3: Cross multiply
221,850.12x = 306,670.33 × 197,888.56 - Step 4: Simplify right side
221,850.12x = 60,686,549,326.14 - Step 5: Solve for x
x = 60,686,549,326.14/221,850.12 - Step 6: Final answer
x = 273,547.52
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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.